In the formula d=rt d represents distance in miles, r represents average speed in miles per hour, and t represents time in hours.What is an automobiles average speed if it travels 60 in 1 1/2 hours?

68,569 questions
1. Math

In the formula d=rt d represents distance in miles, r represents average speed in miles per hour, and t represents time in hours.What is an automobiles average speed if it travels 60 in 1 1/2 hours?

asked by Liz on April 27, 2016
2. Algebra 2

Find an equation for the linear model of the situation below and use it to make a prediction. A train is traveling north at a constant rate. At 3:00 P.M. it is 55 miles north of a city. At 4:15 P.M. it is 80 miles north of the city. If d represents the

asked by Mary on October 11, 2011
3. Algebra 2

How do you set up this?I am lost Find an equation for the linear model of the situation below and use it to make a prediction. A train is traveling north at a constant rate. At 3:00 P.M. it is 55 miles north of a city. At 4:15 P.M. it is 80 miles north of

asked by JOY on October 12, 2011
4. math

The equation d =70t represents the distance in miles covered after traveling at 70 miles per hour for t hours.....what is d when t = 2.5? ...what is t when d =210? please help im desperate here...iv been studying all day help me my brain hurts!!!!!!!!!!!

asked by chemiii on October 3, 2006
5. Math College 115

A hiker can walk 2 miles in 43 minutes. What is his average speed in miles per hour? Round your answer to two decimal places. The hiker's average speed is ___ miles per hour. What formula can be used to find the distance travel, d, in miles in t hours?

asked by Hneo on September 4, 2016
6. Algebra 2

chrystal jogs from her house to school, a distance of 6.8 miles, at a constant rate of 4.2 miles per hour. If x represents the amount of time (in hours) since chrystal leaves her house, which formula represents chrystal's distance y (in miles) from school

asked by Anonymous on December 15, 2015
7. Algebra 2

How do you set up this?I am lost Find an equation for the linear model of the situation below and use it to make a prediction. A train is traveling north at a constant rate. At 3:00 P.M. it is 55 miles north of a city. At 4:15 P.M. it is 80 miles north of

asked by JOY on October 12, 2011
8. geometry

on a map that is drawn to scale 9 inches represents a distance of d miles. What represents d + 1 miles on the map

asked by nikki saleh on June 19, 2015
9. Algebra

A driver averaged 60 miles per hour on a road trip from Santa Cruz to Los Angeles which is nearly 300 miles away. The average speed for going was x and the average speed for returning was y. (Hint: a 600 mile trip averaging 60 miles per hour means 10 total

asked by anonymous on August 30, 2018
10. math

Bobby has been driving at a constant speed for the last 30 minutes. If Bobby is traveling at a speed of 70 miles per hour, which equation best represents the relationship between time in hours(c) and distance in miles (d). A. d = 70t B. t = 70d C. d = t +

asked by ben on April 9, 2015
11. Math Movers

Movers A mover charges \$500 for the first 100 miles plus \$10 for each additional mile. If C represents the charge and M represents miles. What would the equation look like for this question?

asked by John on March 29, 2013
12. College Algebra

ok, so I need to come up with an answer for this question- A car traveling 65mph on the hwy gets 25 miles per gallon. Write the function that represents the distance d(t) in miles that the car travels in t hours. *Then, Write a function that represents the

asked by Jenn on October 5, 2016
13. 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
14. Math

Amy wants to travel from elm town to lakeside at an average speed of 50 miles per hour. She travels half the distance and finds out her average speed has been on 25 miles per hour. How fast must she drive for the rest of the trip to average 50 miles per H

asked by Cheyenne on May 7, 2018
15. algebra

i need the formula for 1in represents 360 miles,how many miles does 5/4 represent

asked by tonii on July 17, 2016
16. College Calc

A train travels from city A to city B and then to city C. The distance from A to B is 220 miles and the distance from B to C is 87.5 miles. The average speed from A to B was 55 miles per hour, and the average speed from B to C was 35 mph. What was the

asked by Anon on January 21, 2016
17. Math

You walk at 4 miles per hour for 1/2 hour, and then jog at 6 miles per hour for h hours. The total distance that you cover both walking and jogging is 6 miles. Write an equation that represents this situation.

asked by lucy on January 23, 2013
18. Math

A man traveled to his country home, a distance of 150 miles and then back. His average rate of speed going was 50 miles an hour and his average return speed was 30 miles per hour. His average rate of speed for the entire trip was:

asked by Anonymous on August 9, 2017
19. Math

A man traveled to his country home, a distance of 150 miles and then back. His average rate of speed going was 50 miles an hour and his average return speed was 30 miles per hour. His average rate of speed for the entire trip was:

asked by Anonymous on August 9, 2017
20. Math

A man traveled to his country home, a distance of 150 miles and then back. His average rate of speed going was 50 miles an hour and his average return speed was 30 miles per hour. His average rate of speed for the entire trip was:

asked by Anonymous on August 9, 2017
21. math

The length of the highway is 500 miles. If 1 inch represents 100 miles, what is the length of the highway on the map? If on a scale drawing 55 feet are represented by 20 inches, then a scale of 1/8 inch represents how many feet? If 1 inch represents 55

asked by maggie on February 11, 2014
22. math

on a certain map,10 miles is represents 1.5 centimeters.what is the distance on the map that represents 40 miles?

asked by ivyjane on January 29, 2014
23. Math

Reposting see if someone else comes up with a different answer. Amy wants to travel from Elm town to Lakeside at an average speed of 50 miles per hour. She travels half the distance and discovers that her average speed has only been 25 miles per hour. How

asked by Chey on May 10, 2018
24. math

amy wants to travel from elmtown to lakeside at an average speed of 50 miles/hour. she travels half the distance and discovers that her average speed has been only 25 miles/hour. how fast must she drive for the remaining part of the trip if she is to

asked by anya on May 28, 2019
25. Math Probability

Super stumped... Help please. The average distance geese fly south in the winter is approximately 380 miles with a standard deviation of 60 miles. Assuming that the distances are normally distributed, find the probability that a randomly selected goose

asked by Patricia Marzetta on April 30, 2013
26. math

suppose a map is scaled so that a half inch represents 25 miles. how many inches of the map represents 87 1/2 miles?

asked by Anonymous on July 23, 2011
27. Math

6. Columbus' ships covered approximately 144 miles a day. How many miles would they have traveled in nine days? What was the average speed per hour? If there were two days when the weather did not permit movement, how many miles a day would they have to

asked by Anonymous on April 1, 2014
28. Math

6. Columbus' ships covered approximately 144 miles a day. How many miles would they have traveled in nine days? What was the average speed per hour? If there were two days when the weather did not permit movement, how many miles a day would they have to

asked by Sue on March 31, 2014
29. statistics

You have just completed a round trip to New York and back by car. The one way distance traveled is 210 miles. If your average speed traveling to New York was 70 miles per hour and your average speed returning to Baltimore was 50 miles per hour (heavy

asked by Anonymous on September 14, 2014
30. statistics

You have just completed a round trip to New York and back by car. The one way distance traveled is 210 miles. If your average speed traveling to New York was 70 miles per hour and your average speed returning to Baltimore was 50 miles per hour (heavy

asked by Anonymous on September 14, 2014
31. math

A motorist travels 120 miles to his destination at an average speed of 60 miles per hour and returns at an average speed of 60 miles per hour and returns to the starting point at an average speed of 40 miles per hour. What is his average speed for the

asked by Mike on July 11, 2015

I don't know the formula to figure this out. Charlie and Peter are driving around a racetrack. Charlie drives at an average speed of 108 miles per hour. Peter drives at an average speed of 99 miles per hour. Peter is given a head start of 12 miles. Charlie

asked by Chris on November 16, 2012
33. MATH

Bob drove to the store( a distance fo 10.5) miles at ana average speed of 35 mile per hours. On the way home, he got stuck in traffic, and he only averaged 15 miles per hour along the same route. What was his average speed for the round trip ?

asked by Anonymous on September 20, 2013
34. math word problem

Here's the latest from the UMW math department: Andy drove from Richmond to Boston at an average speed of 50 miles per hour. If it took 5 hours to drive from Richmond to Philadelphia at an average speed of 70 miles per hour and if the whole trip took 13

asked by M.A. on August 25, 2010
35. math

The equation d =70t represents the distance in miles covered after traveling at 70 miles per hour for t hours. How can i make this a table for every half hour?

asked by my name on April 21, 2008
36. math

Mark's house is 90 miles away from New York. You travel 15 miles on city streets, and then 75 miles on the highway. a. your average speed is 25 miles per hour in the city and 60 miles per hour on the highway. Use the formula time=distance/rate. How much

asked by Celest on May 30, 2013
37. Math

On a trip of d miles to another city, a truck driver's average speed was x miles per hour. On the return trip the average speed was y miles per hour. The average speed for the round trip was 50 miles per hour. Show that y=25x/(x-25) Find the limit of y as

asked by Matt on November 18, 2016
38. Science

A car traveled at an average speed of 60 mph for two hours. How far did it travel? A. 30 miles B. 60 miles C. 120 miles D. 150 miles

asked by Layla on December 4, 2012
39. math

Hannah took a trip yo visit her cousin. She drove 120 miles to reach her cousin's house and the same distance back home. a) It took her 1.2 hours to get halfway to her cousin's house. What was her average speed, in miles per hour, for the first 1.2 hours

asked by Anonymous on April 11, 2009
40. Maths

A train travels from city A to city B. It leaves A at 11:15 AM and arrives at B at 2:20 PM. The distance between the cities is 123 miles. What was the average speed of the train in miles per hour (mph)? The average speed is ___ miles per hour.

asked by kasey on January 21, 2016
41. Alg 1

Issa is driving to the airport to catch a flight to miami, and her arrival depoends on traffic. If the traffic is light, then she can drive 60 mph and arrive at the airport 1 hour early. If traffic is heavy, she can drive 35 mph and arrive at the airport

asked by Jane on May 9, 2013
42. math

Alan has partially completed the chart showing the distance between his town, Greenville and two other towns. DISTANCE BETWEEN GREENVILLE and NEARBY TOWNS (miles) Parker = 29 Hadley = ? 1)The distance between Hadley and Greenville is 13 miles less than the

asked by Kyle on February 26, 2015
43. Calc One

The function C(m) = -.41m^2 + 6.7m - 44/ .7m represents Miles Traveled per lb. of CO 2 released as a function of speed(in MPH) for a hyundai Sontana. the domain of this function is [10,90]. A) calculate C'(m) B)find the critical points of C(m). C)Where

asked by Liz on November 6, 2016
44. Algebra

Bob drove 120 miles on his vacation. He drove an average of 1.2 times faster on the 2nd 60 miles of his trip than he did on the first half of the trip. Which expression represents the time he spend driving? Let x=his speed on the first half of the trip.

asked by Sandra on May 3, 2014
45. Calculus, antiderivatives

A student accelerates from rest at a rate of 3 miles/min^2. How far will the car have traveled at the moment it reaches a velocity of 65 miles/60 min? a(t) = 3 miles/min^2 so v(t) = 3t + k miles/min but when t=0, v=0 so k=0 then v(t)=3t d(t) = 3/2 t^2 + c

asked by Andrea on April 5, 2007
46. Math

The Russell family is driving 1,000 miles to the beach for their summer vacation. Mr. Russell drives at an average rate of 60 miles per hour and plans on stopping four times to break up the journey. Let t represent the number of hours the Russells will

asked by Turner on September 29, 2018
47. pre-algebra

your family is driving to houston,texas.A sign indicates that you are 700 miles from houston.Your car's trip odometer indicates you are 400 miles from home.YOu are traveling at an average speed of 60 miles per hour. A. write an expression for the

asked by Martin on December 9, 2008
48. math

your family is driving to houston,texas.A sign indicates that you are 700 miles from houston.Your car's trip odometer indicates you are 400 miles from home.YOu are traveling at an average speed of 60 miles per hour. A. write an expression for the

asked by Martin on December 9, 2008
49. 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
50. Math

A jogger runs a distance of six miles at an average speed of four miles an hour, how many minutes did this take him?

asked by Kalia on October 14, 2017
51. history maps

1 5/8 inches represents about how many miles on the scale bar on the political map legend? 3.8 centimeters represents about how many kilometers?

asked by tatiana on November 19, 2010
52. math

What is;the average speed in miles per hour for a plane that was :filled with 13 quarts of oil that flies a distance of 3,300 miles

asked by Anonymous on February 14, 2014
53. Math (help)!!!!

Paula looked at a map of her city. The map indicated that 1 Inch represents 3 miles. Paula's home and City Hall 2 1/3 inches apart on the map. What is he distance between her home and City Hall. a) 6 1/2 miles b) 7 miles c) 14 miles d) 5 1/3 miles

asked by Laruen on September 4, 2012
54. algebra

diana drove 320 miles, then increased her speed by 10 miles per hour for 500 miles. if the second part of the trip took 2 hours longer than the first, find her average speed.

asked by allie on February 11, 2015
55. Math

A Gentoo penguin can swim at a rate of 17 miles per hour how many miles can a penguin swim in 4 hours use the expression rt where r represents rate and t represents time

asked by Anonymous on November 11, 2014
56. Physics

On a drive from your home to town, you wish to average 52 mph. The distance from your home to town is 108 miles. However, at 54 miles (half way), you find you have averaged only 39 mph. What average speed must you maintain in the remaining distance in

asked by Karen on September 9, 2015
57. physics

On a drive from your home to town, you wish to average 52 mph. The distance from your home to town is 106 miles. However, at 53 miles (half way), you ﬁnd you have averaged only 39 mph. What average speed must you maintain in the remaining distance in

asked by amanda and leah on August 9, 2012
58. Physics

On a drive from your home to town, you wish to average 44 mph. The distance from your home to town is 106 miles. However, at 53 miles (half way), you find you have averaged only 33 mph. What average speed must you maintain in the remaining distance in

asked by Joe on August 20, 2015
59. Physics

Bernie drove home from a vacation in 1.5 hours. He traveled a total distance of 60 miles. What was his average speed in miles per hour?

asked by Matthew on September 6, 2012
60. math-pre calc

On a drive from your home to town, you wish to average 48 mph. The distance from your home to town is 106 miles. However, at 53 miles (half way), you find you have averaged only 36 mph. What average speed must you maintain in the remaining distance in

asked by liz on September 24, 2014
61. Calc 1

The function C(m) = -.41m^2 + 6.7m - 44/ .7m represents Miles Traveled per lb. of CO 2 released as a function of speed(in MPH) for a hyundai Sontana. the domain of this function is [10,90]. A) calculate C'(m) B)find the critical points of C(m). C)Where

asked by Melissa on November 6, 2016
62. math

Over the river and through the woods to grandpa's house the smith grandchildren go. They drive 120miles to reach grandpa's house and the same distance back home. 1) It took 1.2hours to get halfway there. What is their average speed, in miles per hour, for

asked by B8 on December 1, 2013
63. Algebra

John walked 10 miles on Saturday. He walked twice as fast on the second 5 miles of his walk than he walked on the first 5 miles of his walk. Which expression represents the time he spent walking? Let x = John's speed on the first half of his walk.

asked by Sandra on April 16, 2014
64. 6thMath

Dominique drove home from work at an average speed of 36 miles per hour. If the distance from her house to her workplace is 5.4 miles, how long did her commute take?

asked by PrincessLeaya on February 15, 2018
65. math

Dominique drove home from work at an average speed of 36 miles per hour. If the distance from her house to her workplace is 5.4 miles, how long did her commute take

asked by athena on March 1, 2018
66. Math

On a California map 1/4 of an inch represents 20 miles how many miles does 3 1/4 inches represent

asked by Ally on October 16, 2016
67. science

The sun is actually about 865000 miles in diameter, so 1cm of the model represents how many miles?

asked by luca on January 9, 2009
68. geography

One inch on a map represents 800 miles. It is 3 1/2 inches on the map from Cape Town, South Africa to Nairobi, Kenya. How many miles is this? If I figured correctly my answer is 2,800 miles. Is this correct?

asked by Reed on March 21, 2011
69. alg

1. (20 points) Police use the equation to estimate the speed (s) of a car, in miles per hour, based on the length (x), of its skid marks upon sudden braking on dry asphalt. a. Solve this equation for d. b. A motorist is involved in an accident. The skid

asked by patricia on July 23, 2011
70. algebra

Superman the Escape in CAlifornia is the fastest roller coaster in the world. Riders fall 415 feet in 7 seconds. Speeds reach a maximum of 100 miles per hour. If x represents the average rate of fall of the roller coaster, write an expression to represent

asked by isabelle on October 14, 2007
71. trig

The angle of elevation from the top of a house to a jet flying 2 miles above the house is x radians. If d represents the horizontal distance, in miles, of the jet from the house, express d in terms of a trigonmetric function of x.

asked by bj on September 26, 2010
72. Math

How long will it take you to ski a distance of 36 miles a a speed of 3 miles per 30 minutes. 3 miles(1/2 hours) = 6 miles 36 miles x 1=36 36/6= 6 hours Is this right

asked by Ashley on August 13, 2019
73. Math

The distance between Mountain View and crown top is 6.5 inches on a map if the scale on the map is 1 inch equals 25 miles what is the actual distance between the two towns 831.5 miles be 16.5 miles see 162.5 miles D 1 165 miles

asked by Anna on January 28, 2019
74. Math

The distance between Mountain View and crown top is 6.5 inches on a map if the scale on the map is 1 inch equals 25 miles what is the actual distance between the two towns a 31.5 miles be 16.25 miles C1 162.5 miles D1 165 miles

asked by Anna on January 28, 2019
75. math

an ultralight plane had been flying for 40 min when a change of wind direction doubled its ground speed. the entire trip of 160miles took 2h. how far did the plane travel during the first 40 min? Let V be the initial ground speed and 2V be the final ground

asked by suzy on November 28, 2006
76. math

on a map 2/5 inch represents 10 miles. how many miles are represented by one in

asked by Anonymous on January 19, 2016
77. Algebra

Christy drove 300 miles on her vacation. She drove 1.25 time faster on the second 150 miles of her trip than on the first. Which expression represents the time she spent driving? Let x be her speed for the fist half. a. 375/x b. 33.5/x c. 270x d. 270/x

asked by N/A 2 U on May 16, 2015
78. Algebra

The table below represents the distance of an airplane from its destination as a function of time: Time (hours) x Distance (miles) y 0 2,700 1 2,160 2 1,620 3 1,080 4 540 Part A: What is the y-intercept of the function, and what does this tell you about

asked by Tony K on July 17, 2017
79. Math

Kathy drove 305 miles on Sunday and 190 miles on Monday. What is the average speed in miles per hour for the two days?

asked by Kiki on February 26, 2016
80. physics

A car travels at a constant speed of 30 mph for 20 miles, at a speed of 40 fps for the next 20 miles, and then travels the final 20 miles at 90 kph. what is the average speed of the entire trip?

asked by michelle on August 23, 2015
81. algebra

A Gentoo penguin can swim at a rate of 17 miles per hour. How many miles can a penguin swim in 4 hours? Use the expression rt, where r represents rate and t represents time. How do I put this into an expression?

asked by Melissa on December 16, 2014
82. Math

On a roadmap, the distance between two cities is 8.6 centimeters. What is the actual distance if the scale on the map is 2 centimeters to 50 miles? A - 25 miles B - 215 miles C - 430 miles D - 860 miles

asked by Sidney on February 25, 2016
83. math

A car rents for ​\$45 per day plus 21 cents per mile. If x represents the number of miles Jorge drives per​ day, 45 plus0.21x represents the cost of the rental. If Jorge has ​\$66 to spend for the daily car​ rental, what is the maximum number of

asked by loreece on May 15, 2017
84. physics

On a drive from your home to town, you wish to average 39.6 mph. The distance from your home to town is 108 miles. However, at 54 miles (half way), you find you have averaged only 29.7 mph. What average speed must you maintain in the remaining distance in

asked by Anonymous on October 20, 2012
85. Math

A car rents for \$35 per day plus 20cents per mile. If x represents the number of miles jorge drives per day, 35+0.20x represents the cost of the rental. If jorge has \$89 to spend for the daily car rental, what is the maximum number of miles he can travel

asked by Bryan on November 9, 2008
86. Math

On a map 1/4 inch represents 20 miles the distance between two cities on the map is 3 3/4 inches how many miles apart are in the two cities?

asked by Kiki on December 8, 2014
87. Algebra

Suppose you want to determine the number of miles you can drive in your car. Your car gets 20 miles per gallon. The number of miles traveled varies directly with the number of gallons of gas the tank holds. Write a direct variation equation that represents

asked by Maddison on June 9, 2014
88. Algebra

Suppose you want to determine the number of miles you can drive in your car. Your car gets 20 miles per gallon. The number of miles traveled varies directly with the number of gallons of gas the tank holds. Write a direct variation equation that represents

asked by Maddison on June 9, 2014
89. statistics

A salesman who is on the road visiting clients thinks that on average he drives the same distance each day of the week. He keeps track of his mileage for several weeks and discovers that he averages 122 miles on Mondays, 203 miles on Tuesdays, 176 miles on

asked by Bettie on April 6, 2013
90. Physics

Use the position equation given below, where s represents the height of the object (in feet), v0 represents the initial velocity of the object (in feet per second), s0 represents the initial height of the object (in feet), and t represents the time (in

asked by Kristi on September 3, 2012
91. math

A lawyer drives from her home, located 6 miles east and 10 miles north of the town courthouse, to her office, located 4 miles west and 14 miles south of the courthouse. Find the distance between the lawyer's home and her office. I know the answer is 26

asked by Carly on July 19, 2016
92. Math

Runner runs 8 miles at 5 miles per hour, then another 2 miles at 7 miles per hour, find average speed.

asked by Nerd101 on February 15, 2011
93. Math

Stephanie runs 5 days a week. Her distances for 5 days are 2.8 miles, 3.3 miles, 3.9 miles, 4.3 miles, and 4.9 miles. Which is the best estimate for the number of miles she ran? A) 19 miles B) 21 miles C) 23 miles D) 25 miles

asked by Kaleem on September 2, 2015
94. Maths

Colin walked a distance of 15 miles in 6 hours Work out Colin's average speed Give your answer in miles per hour

asked by Fatima on June 2, 2019
95. math

the el paso middle school girls baxketball team is going from el paso to san antonio for the texas state championship game.the trip will be 560 miles.their bus travels at an average speed of 60 miles per hour. estimate the distance the bus travels in 2

asked by chemiii on October 2, 2006
96. Alg

A charter boat travels at a maximum rate of 25 mph. The function d(x) = 25x represents the distance d(x),in miles, that the boat can travel in x hours. The charter boat travels a maximum distance of 75 miles from the shore.

asked by Taylor on September 10, 2016
97. Alg

A charter boat travels at a maximum rate of 25 mph. The function d(x) = 25x represents the distance d(x),in miles, that the boat can travel in x hours. The charter boat travels a maximum distance of 75 miles from the shore.

asked by Taylor on September 10, 2016
98. Math

To find a baseball pitcher's earned run average (ERA), you can use the formula Ei = 9r, in which E represents ERA, i represents the number of innings pitched, and r represents the number of earned runs allowed.What is the equation for E?

asked by Chrizl on September 6, 2016
99. precalc

Same question from previous problem. b. As the car traveled from 309 miles from Lawrence to 352 miles from Lawrence, what was the change in time in hours? c. Define a formula that determines the distance from Lawrence in miles, d , in terms of the number

asked by BeeBee on September 6, 2013
100. Math

A car traveled 281 miles in 4 hours 41 minutes. What was the average speed of the car in miles per hour? 4 hours 41 minutes = 4 × 60 + 41 = 281 minutes Average speed S is given by distance/ time. S = 281 miles/281 minutes =1 mile/minute = 60 miles/hour

asked by Rezu on April 26, 2012