1. math

    Kristi jogged for 3/5 of an hour, swam for1/2 an hour, and rode her bicycle for 3/4 of an hour. How long did she exercise?

    asked by annonoumus on September 12, 2008
  2. math/fractions

    Ok one more question. I had this problem: Kristi jogged for 3/5 of an hour, swam for 1/2 of an hour, and rode her bicycle for 3/4 of an hour. How long did she exercise? I took it to mean you had to add all the fractions together. So I found the lcd of all

    asked by Mary on June 11, 2008
  3. math115

    Kristi jogged for 1/4 of an hour swam for 2/3 of an hour and rode her bike for 4/5 of an hour how long did she exercise? answer 1 hr 43 min Find the best buy on sugar (1LB is 16oz. )1 lb for $1.29, 12oz for $1.09 2 lbs 4 oz for $3.09 10 oz for $.99 answer

    asked by melody on October 20, 2009
  4. math

    please check and see if my answers are correct if not let me know so i can redo these and find where i messed up 1. divid by moving the decimal point 27.3 dived 10^5 my answer .000273 2.Jon spent 1/3 of his study time doing math homework and 2/7 preparing

    asked by larry on January 5, 2007
  5. Math - double check me

    Kristi joggfed for 3/5 of an hour, swam for 1/2 of an hour, and rode her bicycle for 3/4 of an hour. How long did she exercise? a. 7/11 b. 9/40 c. 1 17/20 d. 1 7/20 answer: c Juan owned 3/4 of a family business. He sold 1/3 of the business to his aunt.

    asked by Kim on March 28, 2008
  6. math

    please check these 1.kristi jogged for 3/5 of an hour, swam 1/2 of an hour, rode her bike for 1/4 hr. how long did she exercise/=1 17/20 2.victor owned 5/6 of a family buisness, he sold 2/7 of the buisness,what portion doe she still own?=23/42 3.subtract

    asked by p on September 18, 2009
  7. math

    1. kristi jogged for 3/5 of an hr,swam 1/2 of an hr, rode her bike 3/4 of an hr how long did she exercise?=1 7/20 2.the intersest rate on an equity line of credit was 7 7/8% last month this month the interset rate is 10 3/2% how many percentage points has

    asked by p on September 19, 2009
  8. Math

    One week, Mrs. Peterson went to her health club on Monday, Wednesday, and Friday. Each day she went to the club, she jogged on the treadmill for 3/5 hour, lifted weights for 1/4 hour, and then cooled down by stretching for 1/4 hour. On Saturday, she rode

    asked by Megan on April 4, 2013
  9. math

    amara rode her bicycle 8 miles in 0.5 hours.what was the average rate that she rode her bicycle in miles per hour?

    asked by jen on September 29, 2016
  10. Math

    Greg rode his bicycle at a constant speed of 20 miles per hour. Plot points on the graph to present the distances Greg rode after 1,2,3, and 4 hours (1 hour = 20 miles, 2 hours = 40, 3 hours = 60, 4 hours = 80 miles). Write an equation to represent the

    asked by Harper on April 25, 2016
  11. math

    Rosy has been jogging for 3 weeks. In the first week She jogged 3 days each for 4/6 of an hour. During week 2 she jogged for 3/4 of an hour on 2 days. In week 3 she jogged 4 days each for 3/5 of an hour . WRITE one expression that would show the total time

    asked by sid on March 24, 2014
  12. Math

    Joseph rode his bicycle for 10 miles. Then he increased his speed to an average of 15 miles per hour for the next h hours. Write an equation for the total distance he rode. thanks in advance!

    asked by anonymous on April 20, 2009
  13. Math

    Greg rode his bicycle at a constant speed of 20 miles per hour. Plot points on the graph to represents the distances Greg rode after 1, 2, 3, and 4 hours (1 hour= 20 miles, 2 hours= 40 miles, 3 hours= 60 miles, 4 hours= 80 hours) Then write an equation to

    asked by Lucifer Albernathy on April 25, 2016
  14. algebra

    Gemma recently rode her bicycle to visit her friend who lives 6 miles away. On her way there, her average speed was 16 miles per hour faster than on her way home. If Gemma spent a total of 1 hour bicycling, find the two rates.

    asked by Derek on May 2, 2016
  15. College Algebra

    Jen recently rode her bicycle to visit her friend who lives 12 miles away. On her way there, her average speed was 10 miles per hour faster than on her way home. If Jen spent a total of 1 hour bicycling, find the two rates.

    asked by Jenn on September 30, 2014
  16. Mathematics

    Michelle rode her bicycle from her house to her school at an average speed of 8 miles per hour (mph). Later that day, she rode from school back home along the same route, at an average speed of 12 mph. If the round trip took her 1 hour, how many miles long

    asked by Ryomasa on August 30, 2007
  17. Algebra please help answer ASAP

    Milaela is competing in a race in which she both runs and rides a bicycle. She runs 5 kilometers in 0.5 hour and rides her bicycle 20 kilometers in 0.8 hour. Part A. At the given, how many kilometers can Mikaela run in 1 hour? part B. At the given rate,

    asked by Iana on November 11, 2014
  18. Pre-Algebra

    Courtnytravels south on her bicycle riding 8 miles per hour. One hour later, her friend Horacio starts riding his bicycle from the same location. If he travels south at 10 miles per hour, how long will it take him to catch Courtney?

    asked by Ola on August 18, 2010
  19. math

    in a bike race, ramit and keith started at the same time abd rode with constant speeds. Ramit rode 30 miles per hour, and keith rode at 35 miles per hour. If ramit crossed the finish line 10 minutes after keith, how many miles long was the race?

    asked by kel on August 12, 2011
  20. college algebra

    Solve the problem. A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was 5 hours. If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?

    asked by megan on February 25, 2009
  21. math

    Tom and kate live 15 miles apart they decide to jog to meet eachother kate left her house and jogged at a rate of 2.5 miles per hour tom left his house at the same time and jogged at a rate of 3.5 miles per hour how long does it take for the two friends to

    asked by Anonymous on January 30, 2012
  22. math

    Melba rode her bike 7 / 8 mile in 1/ 4 hour what is the unit rate in miles per hour

    asked by Gracie on January 20, 2015
  23. stuff

    When Morgan’s dad returned from the store, he went for a jog. He jogged for 1 hour and 15 minutes at a pace of 4.8 miles per hour. How far did he jog?

    asked by Anonymous on January 13, 2017
  24. math

    jim began a 92​-mile bicycle trip to build up stamina for a triathlon competition.​ Unfortunately, his bicycle chain​ broke, so he finished the trip walking. The whole trip took 4 hours. If Jim walks at a rate of 3 miles per hour and rides at 35

    asked by Delyla Velasco on October 3, 2018
  25. math

    jim began a 131 mile bicycle trip to build up stamina for a triathlete competetion.unfortunately his bicycle chain broke, so he finished the trip walking. the whole trip took 4 hours. if jim walks at a rate of 3 miles per hour and rides at 37 miles per

    asked by bashi on September 21, 2012
  26. ALGEBRA

    Jim began a 281​-mile bicycle trip to build up stamina for a triathlete competition.​ Unfortunately, his bicycle chain​ broke, so he finished the trip walking. The whole trip took 7 hours. If Jim walks at a rate of 3 miles per hour and rides at 43

    asked by KIERSTEN on August 22, 2016
  27. math

    please explain the steps: Jim Williamson began a 96-mile bicycle trip to build up stamina for a triathlete competition.Unfortunately, his bicycle chain broke, so he finished the trip walking. The whole trip took 6 hours.If Jim walks at a rate of 4 miles

    asked by micah on April 14, 2012
  28. algebra

    Yesterday Lucy walked 2 hours and jogged 1/2 hour and covered 6.25 miles. Today she walked for 3 hours and jogged for 1 hour and covered 10.25 miles. Assuming a constant walking rate and a constant jogging rate, how fast did she walk and how fast did she

    asked by jordan on October 15, 2009
  29. algebra...redo.

    Yesterday Lucy walked 2 hours and jogged 1/2 hour and covered 6.25 miles. Today she walked for 3 hours and jogged for 1 hour and covered 10.25 miles. Assuming a constant walking rate and a constant jogging rate, how fast did she walk and how fast did she

    asked by jordan on October 15, 2009
  30. 11th grade

    Yesterday Lucy walked 2 hours and 1/2 jogged hour and covered 6.25 miles. Today she walked for 3 hours and jogged for 1 hour and covered 10.25 miles. Assuming a constant walking rate and a constant jogging rate, how fast did she walk and how fast did she

    asked by jordan on October 15, 2009
  31. earth science

    How fast do the fastest tsunami waves travel in the deep ocean? A. About 40 miles per hour (mph) or (70 km/hour) B. About 100 mph (170 km/hour) C. About 400 mph (700 km/hour) D. About 1000 mph (1700 km/hour) E. About 4000 mph (7000 km/hour)

    asked by alz on November 12, 2018
  32. Math

    Please solve these word problem. During a triathlon, Sharon swam 1/4 of the total route and cycled 3/5 of the remaining route. She jogged the rest of the route.If she jogged 3600 m, find the total distance of the route.

    asked by Tabassum sultana on January 26, 2019
  33. Trigonometry- Help!

    After one hour in flight, an airplane is located 200 miles north and 300 miles west of the airport. What is the magnitude of the plane's velocity? Round your answer to the nearest mile per hour. a) 22 miles per hour b) 128 miles per hour c )256 miles per

    asked by Ellie on December 17, 2015
  34. math

    Yesterday Lucy walked 2 hours and jogged 1/2 hour and covered 6.25 miles. Today she walked for 3 hours and jogged for 1 hour and covered 10.25 miles. Assuming a constant walking rate and a constant jogging rate, how fast did she walk and how fast did she

    asked by help please:) on October 15, 2009
  35. Math

    How much time (in hour)does the earth take for1 rotation ? How much time (in hour) would the earth take for 123 rotation?

    asked by DEVIDAS on August 16, 2017
  36. Mathematics

    The triathlete swam 2 miles in 56 minutes. Then, he rode his bicycle 100 miles in 5 hours. Finally, he ran 20 miles in 106 minutes. How many minutes did it take him to complete the course? During which portion of the race did he have the greatest average

    asked by Rose on October 4, 2017
  37. math

    Luis rides his bicycle 3:4 of a mike in 5 minutes,or 1:12 hour,along the bike trail.Assuming he rides at a constant rate,what is his speed,in miles per hour?

    asked by keith on November 7, 2016
  38. math/ pre algebra

    Lydia rode 243 miles in a three day bike trip. On the first day, Lydia rode 67 miles. On the second day, she rode 92 miles. How many miles per hour did she average on the third day if she rode for 7 hours?

    asked by neftali on November 25, 2015
  39. Math

    Fifteen Grade 2 children rode bicycle to school. Seventeen Grade 3 children rode bicycle to school. How many children in Grades 2and3 rode bicycles to school?

    asked by Alex on December 3, 2015
  40. Math

    Brian rode his motorbike for 3 hours at 50 miles per hour and then rode the next 200 miles in 5 hours.What is the total distance he traveled? a)150 b)190 c)250 d)350 e)1150

    asked by Grace on August 6, 2012
  41. Science

    Which is the closest to the speed of sound in air? A. 7miles per hour B. 70miles per hour C. 700miles per hour D. 7000miles per hour C?

    asked by Derrick on March 24, 2012
  42. Math

    A bicycle wheel, diameter 56 cm, is making 45 revolutions in every 10 seconds. At what speed, in kilometer per hour. Is the bicycle travelling?

    asked by Niraj Kasyap on December 26, 2012
  43. calculus

    Suppose the function G(t) represents a test grade (out of 100 points) as a function of hours studied. If G(t)=-0.046t^3+0.915t^2+38.005 points, what is (dG/dt)when t=4? Round your answer to the nearest point per hour. a. 50 points per hour b. 3 points per

    asked by Roger on September 20, 2011
  44. Math

    Jack is learning to ride a bicycle. In his first try, he rode for 1/100mile. The second time he rode for 5/100 mile. In the next two tries, he rode successfully for 2/10 mile and lo 4/10 mile Part A What is the total distance he rode the bike in four

    asked by Marina on April 25, 2017
  45. math

    a wheel of a bicycle has a diameter of 70cm and is rotating at the rate of 200 revolutions per minute calculate the speed of the bicycle in km/hour

    asked by sashey on August 15, 2013
  46. math

    Enrique charges $5 for every 1/5 hour he spends walking dogs. In the morning he walks Buttons for 2/5 hour, Bruno for 1/5 hour, and Pepper for 3/5 hour, Monday through Friday. On Saturdays he takes Mimi, Diva, and Coco to the dog park for 4/5 of an hour.

    asked by suri on March 28, 2014
  47. math

    Enrique charges $5 for every 1/5 hour he spends walking dogs. In the morning he walks Buttons for 2/5 hour, Bruno for 1/5 hour, and Pepper for 3/5 hour, Monday through Friday. On Saturdays he takes Mimi, Diva, and Coco to the dog park for 4/5 of an hour.

    asked by John on March 28, 2014
  48. Algebra 1

    Shelly hopped onto her bicycle and pedaled to the park at 14 miles per hour. Then she whizzed back at 20 miles per hour. If the total trip took 3 2/5 hours how far was it to the park?

    asked by Kinda Dorky on April 9, 2018
  49. Math

    Luke rode his bicycle 2/5 of a mile from his house to the library.He then rode 1/2 of a mile from the library to the mall.Sketch a visual model to find the total distance that Luke rode.

    asked by Anonymous on April 22, 2014
  50. maths

    luke rode his bicycle 2/5 of a mile from his house to the library. He then rode 1/2 of a mile from the library to the mall. Sketch a visual model to find the total distance that luke rode

    asked by pinks on April 21, 2014
  51. math

    Eve swam 80 laps of a swimming pool in one hour. What was the pace for each lap?

    asked by Macy on November 1, 2015
  52. High School Math

    for the following write an equation and solve it. Terri and Nick rode their bikes toward each other starting from two towns 24 miles apart. Terri rode three miles per hour faster than Nick and they met in two hours. How fast did each person ride? I think I

    asked by Mike N on September 16, 2008
  53. math help

    Enrique charges $5 for every 1/5 hour he spends walking dogs. In the morning he walks Buttons for 2/5 hour, Bruno for 1/5 hour, and Pepper for 3/5 hour, Monday through Friday. On Saturdays he takes Mimi, Diva, and Coco to the dog park for 4/5 of an hour.

    asked by kartik on March 28, 2014
  54. matthematics

    Fiona has a a job that pays $7 an hour for a 40-hour work week and $10 an hour for every hour of overtime that she works. If she works 43 hours, how much money will she make before any deductions are made?

    asked by Justinne Lee on August 10, 2017
  55. Earth Science

    5.   Most tornadoes carry wind speeds that range from  A. 105 to 177 km per hour. B. 178 to 266 km per hour. C. 267 to 322 km per hour. D. 1 to 105 km per hour. A?

    asked by Sarah on February 13, 2015
  56. math 208

    parking in a student lot cost 3.00 for the first half hour and 1.25 for each hour there after a partial hour is change the same as a full hour what is the longesr time that student can park

    asked by Anonymous on September 14, 2015
  57. algebra

    Parking in a student cost $3 for the first half hour and $1.50 for each hour thereafter. A partial hour is charged the same as a full hour. What is the longest time that a student can park in this lot for $9?

    asked by luis barreto on January 16, 2013
  58. Math

    Jennifer rode her bike to the store at a rate of 15 mph. She rode back home at a rate of 10 mph. How far is it to the store if the round trip takes an hour?

    asked by Joe on April 19, 2015
  59. Math

    This is the question. In 1991, an American, Ann Trason, set a world record by running 100 km in 7hr,50min,09sec. What is the best estimate of her average speed? A.12 km per hour B.14 km per hour C.16 km per hour D.18 km per hour how do u figure this out?

    asked by Meherin on February 25, 2009
  60. math

    Ali rode a bicycle from town A to town C through town B as follows.He rode from A to B a distance of 45 km in 3 hours and then rested for 1hr and 1/2 hr.From B he rode to C a distance of 20 km in 1hr and 1/2 hr. Find the average speed riding #Please guys

    asked by kelvin on August 28, 2017
  61. math

    Ali rode a bicycle from town A to town C through town B as follows.He rode from A to B a distance of 45 km in 3 hours and then rested for 1hr and 1/2 hr.From B he rode to C a distance of 20 km in 1hr and 1/2 hr. Find the average speed riding #Please guys

    asked by kelvin on August 29, 2017
  62. English

    Can you please check if this is correct? 1. Over the hill and past the bridge jogged a lady with her new dog. Subject: lady Verb: jogged Prepositional phrase: over that hill, past the bridge, with her new dog 2.) The swimmer dived off the board and swam

    asked by Niniane on December 5, 2015
  63. math

    a bicycle rider left town at noon at traveled at a uniform rate of 15 miles an hour. at 2 pm the same day, a motorcycle rider left for the same place at a uniform rate 30 miles an hour higher. at what time did the motorcycle rider overtake the bicycle

    asked by abby on November 7, 2010
  64. Math

    If you jog for half an hour everyday for nine days. Write an improper fraction that shows the total number of hours you jogged.

    asked by Dylan on October 13, 2011
  65. Math

    If you jog for half an hour everyday for nine days. Write an improper fraction that shows the total number of hours you jogged.

    asked by Dylan on October 13, 2011
  66. Math

    If you jog for half an hour everyday for nine days. Write an improper fraction that shows the total number of hours you jogged.

    asked by Dylan on October 12, 2011
  67. college algebra

    In a certain gear, a bicycle tire with a diameter of 27 inches makes 3 complete revolution of the pedal.If a cyclist is pedaling at a rate of 100 revolutions per minute, find the speed of the bicycle in miles per hour?

    asked by James on November 24, 2015
  68. maths

    A motorist travels 120 miles to his destionation at an average speed of 60 miles per hour and returns to the starting point at an average speed of 40 miles per hour.His average speed for the entire trip is 1. 53 miles per hour 2. 52 miles per hour 3. 50

    asked by peter on August 13, 2014
  69. Algebra

    Parking in a student lot cost $2 for the first half hour and $1.25 for each hour thereafter. A partial hour is charged the same as a full hour. What is the longest time that a student can park in this lot for $9? Simplify your answer.

    asked by Anonymous on August 24, 2012
  70. Algebra

    Parking in a student parking lot costs 2.00 for the first half hour and $1.75 for each hour thereafter. A partial hour is charged the same as a full hour. What is the longest time a student can park for $9.00? Show your work.

    asked by Ruth on March 9, 2013
  71. math

    jeff jogged 5/6km while jon jogged 7/12km.who jogged longer bu how many kilometers?

    asked by dan on September 27, 2017
  72. math

    jeff jogged 5/6km while jom jogged 7/12km.who jogged longer? by how many kilomteres?

    asked by dan on September 27, 2017
  73. Math

    4.)Find the unit rate. Round to the nearest tenth, if necessary. 344 miles in 11 hours A.)344 Miles/Hour B.)3,784 Miles/Hour C.)0.03Miles/Hour D.)31.27 Miles/Hour Is My Anwser C.)0.03Miles/Hour? If not can you explain why? & if so Thank You

    asked by YRN DJ on November 2, 2015
  74. algebra

    parking in a student lot cost $1 for the first half hour and $1.75 for each hour thereafter. A partial hour is charged the same as a full hour. What is the longest time that a student can park in this lot for $9 what is the answer

    asked by christina on July 28, 2012
  75. MATH PLEASE im begging HELP!!!!!

    What is 900 feet per day converted into yards per hour? A. 12.5 yards per hour B. 37.5 yards per hour C. 112.5 yards per hour D. 7200 yards per hour

    asked by Wild on January 30, 2013
  76. algerbra

    parking in a student lot costs $1 for the first half hour and $1.25 for each hour there after. a partial hour is charged the same as a full hour what is the longest time that a student can park in this lot for $7?

    asked by Anonymous on November 16, 2012
  77. Math

    Parking in a student lot cost $2.00 for the first half hour and $1.75 for each hour thereafter. A partial hour is charged the same as a full hour. What is the longest time that a student can park in this lot for $8.00.

    asked by Susan on October 12, 2015
  78. Math

    Beth got a job painting dorm rooms at her college. At top speed, she could paint 5 identical rooms during one 6-hour shift. How long did she take to paint each room? A. 50 minutes B. 1 hour and 10 minutes C. 1 hour and 12 minutes D. 1 hour and 15 minutes

    asked by Anonymous on February 3, 2014
  79. Math (unit rates)

    You jogged 11 kilometers at an average speed of 10 kilometers per hour. How long did you jog?

    asked by princessleaya on November 24, 2017
  80. math

    You jogged 11 kilometers at an average speed of 10 kilometers per hour. How long did you jog? I need help please

    asked by christian on February 20, 2018
  81. Math

    A woman rides her bicycle from her house to and from a lake. It takes her 1 1/2 hours to ride to the lake and 1 3/4 hours to ride back. She rides downhill at 12 kilometers per hour, on level ground at 8 kilometers per hour, and uphill at 6 kilometers per

    asked by Bob on May 7, 2013
  82. math

    #please guys help me this question# Three people can wash clothes in 13 hour, 14 hour and 14 hour. If they started together at 8:30 am, at what time will they finish this work together?

    asked by kelvin on July 7, 2018
  83. intermediate algebra

    You can travel 40 miles on a motorcycle in the same time that it takes to travel 15 miles on a bicycle. If your motorcycle's rate is 20 miles per hour faster than your bicycle's rate, find the speed of the motorcycle and bicycle. motorcycle = 32mph bicycle

    asked by jennifer on November 6, 2008
  84. math 5th grade

    Carolyn spent 3/4 of an hour on her math homework, 5/6 of an hour on history, and 5/12 of an hour on science. Which of the following is a true statement; a.)5/6

    asked by Anonymous on February 15, 2010
  85. 5th grade

    Which of the following is a true statement, Carolyn spent 3/4 of an hour on her math homework, 5/6 of an hour on history, and 5/12 of an hour on science.

    asked by Anonymous on February 15, 2010
  86. algebra

    To rent a canoe costs $15 for the first hour and $12 for each additional hour or fraction of an hour. Which point is NOT included in the graph of this step function?

    asked by linda on April 6, 2018
  87. Math please help

    Please only one answer for each question. For questions 1-3, identify the situation that each graph could represent. 1. A. the length of a necklace that you make at a rate of 10 cm per hour without taking a break. B. The height of a balloon as it rises,

    asked by Clawdeen on March 4, 2018
  88. MATH

    Rate Problem: Mr. Stewart rode a distance of 12miles out into the country on a bicycle and returned on foot. His rate on the bicycle was 4 times his rate on foot. He spent 5 hours on the entire trip. Find the rate of walking and on the bicycle.

    asked by Michi on October 23, 2007
  89. Math I need help Please help me!!!!!!

    Daniel is climbing up a cliff at a rate of 2 meters per minute. What is his rate in feet per hour? A. about 36.6 feet per hour B. about 98.4 feet per hour C. about 197 feet per hour D. about 394 feet per hour

    asked by Mary J. on January 30, 2013
  90. Math I need help Please help me!!!!!!

    Daniel is climbing up a cliff at a rate of 2 meters per minute. What is his rate in feet per hour? A. about 36.6 feet per hour B. about 98.4 feet per hour C. about 197 feet per hour D. about 394 feet per hour

    asked by Mary J. on January 30, 2013
  91. Math - Algebra 2

    A chemical compound evaporates in a predictable way. In the first hour 1/2 of the amoun in the jar at the beginning of the hour evaporates. In the second hour 1/3 of the amount in the jar at the beginning of the second hour evaporates. In the third hour

    asked by AS on December 2, 2006
  92. Algebra

    Parking in a student lot cost $1 for the first half hour and $1.25 for each hour thereafter. A partial hour is charge the same as a full hour is charge the same as a full hour. What is the longest time that a student can park in this lot for $9.

    asked by Kia on August 1, 2012
  93. Math

    a car travelled 60 km in 25 mins. its speed is equilent to _____km/hour. In 2 1/3 hours this car travelled______km if it maintained at this speed. when you change mins to hour to you divide 60 into 25 to get the km/hour??? im confused. 60km/25 min. =

    asked by Anonymous on April 13, 2007
  94. algebra 1

    lois rode her bike to visit a friend. She traveled at 10 miles an hour. While she was there it began to rain. Her friend drove her home at 25 miles per hour. Lois took 1.5 hours longer to go to a friends then to return home. How many hours did it take Lois

    asked by scooby doo on March 25, 2008
  95. math

    A boy travels on his bicycle at the rate of 6 miles per hour and his sister on hers at the rate of 5 miles per hour. They start at the same time and place and travel over the same road in the same direction. After traveling for 3 hours, the boy turns back.

    asked by vincent on July 17, 2013
  96. Math

    Write the ratio as a unit rate 27 miles in 1/2 hour A:13.5 miles per hour B:44 miles per hour C:54 miles per hour D:56 miles per hour My answer is B

    asked by Nashi Dragneel on November 16, 2017
  97. Math- Multi-step word problems

    A plane traveling from Phoenix to Washington, D.C with a tailwind of 20 miles per hour takes 3 hours. The return trip in the same wind, which is now a headwind, takes the same plane 3 hours and 12 minutes. What is the average speed of the plane in calm

    asked by Kitty on October 1, 2014
  98. math algebra

    how would i do this problem elina and teresa raced on their bikes to the library after school. they both left at 3:00 pm and bicycled along the same trail elina rode at the speed of 12 miles an hour and teresa rode at the speed of 9 mph. elina got there

    asked by bob on November 4, 2010
  99. Algebra

    Parking in a students lot cost $1 for the first half hour and $1.25 for each hour thereafter. A partial hour is charge the same as a full hour. What is the longest time that a student can park in this lot for $7? The longest time is ? (simplify your

    asked by Please HELP on May 25, 2012
  100. home work

    Suppose Lynette ride her bicycle due south at a rate of 16 miles per hour.If the wind blowing due west at 4 miles per hours ,what is the resultant velocity and direction of the bicycle?

    asked by Nancy L on September 5, 2010