Search: Traveling at r kilometers per hour for t hours, a driver will travel (r)(t) kilometers. How far will Danny travel in 4 hours at a speed of 99 kilometers per hour?

Number of results: 21,939

Algebra
Two trains start from the same place at the same time. They travel i~ opposite directions. One averages 60 miles per hour and the other averages 80 miles per hour. After how long will they be 420 miles apart?
Monday, April 2, 2012 at 11:10pm by LIbby

Math
Do you mean miles per hour? Is it a 24 hour day? Please recheck your question...it doesn't make sense to me.
Monday, January 7, 2008 at 1:21pm by Msp

physics
A car is traveling with a constant speed 80 miles per hour a road that makes half a circle. What is the average velocity of the car? Is it: 80(pi/2)=125.6? or should I use the formula: Äd/Ät= 80/(pi/2)=50.95?
Monday, May 24, 2010 at 10:52am by Anonymous

math
36/2= 18 pages per hour (first time) Second time: 54/3= 18 pages per hour
Thursday, May 24, 2012 at 9:33pm by Neil

math
Brandon’s rentals charges $ 25 per hour to rent a Windsufer and a wet suit. Wendy’s charges $20 per hour plus $15 extra for a wet suit. Find the number of hours for which the total charges for both would be the same.
Thursday, September 8, 2011 at 1:28pm by megan

Trig
Nathan and Julia are walking along lines that form a 38 degree angle. If Nathan walks at 3.6 miles per hour and Julia walks at 4.1 miles per hour, how far apart will they be after 2 hours?
Monday, May 10, 2010 at 12:42pm by MEGGG!!!

MATH 112
two planes leave an airport at the same time. Their speeds are 320 miles per hour and 380 miles per hour. If the angle between their courses is 112 degrees, how far apart are they after two hours? (The hint is using the law of cosines)
Tuesday, November 20, 2012 at 9:39pm by diego sanchez

Intergated chemistry/physics
Which has more momentum: a 45 gram golf ball travelling at 180 miles per hour or a 430 gram soccer ball travelling at 20 miles per hour?
Thursday, October 4, 2012 at 9:27am by Laura

math/algebra
Can I get help in solving these problems using the linear system of elimination. 4x - 5y =22 x + 2y = -1 2x - 3y = 16 3x + 4y = 7 Word Problem: During the summer, you want to earn at least $150 per week. You earn $10 per hour working for a farmer and you earn $5 per hour ...
Thursday, March 12, 2009 at 1:29am by JAY10

math
Many of the immigrants settled on farm land and they had to drive to town for supplies. One farmer drives to town at 36 miles per hour and returns at 48 miles per hour. If his total driving time is 3 ½ hours, how far is his farm from town?
Monday, November 21, 2011 at 9:40am by tiffany mccormick

math
Al's Rentals charges $25 per hour to rent a windsurfer and a wet suit. Wendy's charges $20 per hour plus $15 extra for a wet suit. Find the number of hours for which the total charges for bot would be the same. What is the cost?
Monday, July 18, 2011 at 5:49pm by Anonymous

physics4
8)A car is traveling at a velocity of 120 Km/h stops at a traffic light after 2 minutes. Calculate its acceleration in Km/min2 (Kilometers/minute2)
Tuesday, December 14, 2010 at 4:19pm by faisal

maths
calculate speed,if john travels 220km for 2 hour 30 minutes ,your answer must be in km per hour
Monday, May 23, 2011 at 11:39am by karabo

algebra
An architect makes $75.25 per hour. What will his/her gross income be after completeing a 95-hour project?
Sunday, December 14, 2008 at 4:03pm by stephanie

trig
An aircraft maintains a speed of 500 miles per hour in a southwestern direction. The velocity of the jet stream is constant 50 miles per hour from the west. Find the resultant vector, the speed, and actual direction of the aircraft.
Tuesday, January 15, 2013 at 6:23pm by Deb

Calculus
A man is in a boat 4 miles off a straight coast. He wants to reach a point 10 miles down the coast in the least possible time. If he can row 4 miles per hour and run 5 miles per hour, where should he land the boat?
Wednesday, November 16, 2011 at 11:56am by Lisa

Physics
At 7.65 cents per kilowatt-hour, what does it cost to operate a 10.0 hp motor for 6.00 hr? At 7.65 cents per kilowatt-hour, what does it cost to leave a 75.0 W light burning 24.0 hours a day?
Sunday, March 6, 2011 at 12:35pm by Ana

Calculus
You are the owner of a delivery company with one truck. The trucks fuel economy is 1200/x miles per gallon when driving at x miles per hour (where 80 >= x <= 110). The price of fuel is $1 per gallon. You pay the truck driver $8 per hour. If a delivery 100 miles ...
Monday, November 14, 2011 at 3:17pm by Ass10

math 115
What units in the metric system would you use to measure each of the following quantities?= The United States emitted 19.5 million t of nitrogen oxides (NO) into the atmosphere in 1987. One metric ton (1 t) equals 1,000 kg. How many kilograms of NO were emitted to the ...
Wednesday, September 30, 2009 at 9:56pm by amber

Math
Jessica can jog to work in 4/5 of an hour. When she rides her bike, it takes her 3/10 of an hour. If she rides 10 miles per hour faster than she jogs, how far away is her work?
Sunday, October 9, 2011 at 6:15pm by Lisana

physics
Mary walked north from her home to Sheila's home, which is 4.0 kilometers away. Then she turned right and walked another 3.0 kilometers to the supermarket, which is 5.0 kilometers from her own home. She walked the total distance in 1.5 hours. What were her average speed ...
Friday, January 27, 2012 at 11:30am by Nakiya

1st grade
1. Speed We describe how fast an object is moving as the 'speed' of the object. When we can measure how much distance an object covers in a certain period of time, we know the 'speed' of the object. Say a man cycles 1000 meters in one hour, his 'speed' ...
Wednesday, February 10, 2010 at 6:45pm by Nadia Samim

math
juan travels at the rate of 30miles per hour for 4 hours. He then return over the same route in 3 hours.What was his average rate for the return trip in miles per hour a-22 1/2 b-34 2/7 c-35 d-36 e-40 answer: f-40
Wednesday, September 1, 2010 at 10:29am by AnOnYmOuS1

math check please
1. Find the least common multiple of 4 and 11. Answer: 44 2 Divide. 91.41 divid 6 answer 3.235 3. If a gallon of water weighs 8.34 lbs. how much does 3.75 gal weigh? 8.34 x 3.75= 31.2750 4. find the circumference use 3.14 for pi diameter is 12 ft 3.14 x 12ft = 37.68 ft 5. ...
Saturday, January 6, 2007 at 10:09am by larry

math
Chris travels for a certain length of time at 40 miles per hour and Donny travels for the same length of time at 60 miles per hour. what is the average speed?
Wednesday, September 28, 2011 at 12:09pm by Julie

Trigonometry
A pilot is flying at 200 miles per hour (airspeed), and wants his flight path (course or actual direction) to be on a bearing of 237 degrees. A wind is blowing for the north at 40 miles per hour. Find the bearing he should fly, and find the plane's ground speed. Include a ...
Wednesday, December 1, 2010 at 2:01pm by Monk

Math
My Question is : A plane with an air pf 192 miles per hour is headed on a bearing of 121 degrees. A north wind is blowing ( from north to south ) at 15.9 miles per hour. Find the ground speed and the actual bearing of the plane.
Sunday, May 18, 2008 at 12:20pm by Nat

word problem!!! algebra
at noon, a cargo van crosses an intersection at 30 mph. At 12:30 pm, a car crosses the same intersection traveling in the opposite direction. At 1 pm, the van and car are 54 miles apart. How fast is the car traveling? I know the answer is 48 mph, but can you set it up for me? ...
Sunday, March 11, 2007 at 5:33pm by susan

fundamentals of math
Your car gets 33 miles per gallon, you drive an average speed of 44 miles per hour. How much gas do you use in an hour? 33/44? or 44/33
Wednesday, June 23, 2010 at 5:29pm by Leissa

math
Mr. Suki plans to drive 900 miles to his farmhouse, driving an average of 50 miles per hour. How many miles per hour faster must he average, while driving to reduce his total driving time by 3 hours?
Saturday, October 4, 2008 at 11:52am by i love polka

science
Flight time of bird to finish line, FL, = 3.9/46.2 = .0844 hr. Distance runner travels during this time period = .0844(7.7) = .65km. Distance from runner to FL = 3.9 - .65 = 3.25km. Net closing speed between runner and bird = 7.7 + 46.2 = 53.9Km/hr. Time for runner and bird to...
Friday, September 9, 2011 at 10:38pm by tchrwill

physics
Flight time of bird to finish line, FL, = 3.9/46.2 = .0844 hr. Distance runner travels during this time period = .0844(7.7) = .65km. Distance from runner to FL = 3.9 - .65 = 3.25km. Net closing speed between runner and bird = 7.7 + 46.2 = 53.9Km/hr. Time for runner and bird to...
Friday, September 9, 2011 at 11:13pm by tchrwill

Physics
A 1230 kg car drives along a city street at 31.0 miles per hour, and a baseball has a mass of 0.142 kg. What speed must the baseball have if its momentum is to be equal in magnitude to that of the car? Give your result in miles per hour.
Saturday, November 19, 2011 at 11:34pm by Daniel

MATH! HELP!
Sean Thomas makes $15.85 per hour. How much would he earn in a forty-hour work week?
Friday, December 14, 2012 at 11:25pm by Losa

Pre-Cal
A circular gear turns 60 per hour. Through how many radians does it turn in a 24-hour day?
Friday, November 19, 2010 at 10:44am by De'Steven

math
A local gym charges nonmembers $10 per hour to use the tennis courts. Members pay a yearly fee of $300 and $4 per hour for using the tennis coutrs. Write an equation to find how many hours, h, you must use the tennis courts to justify becoming a member.
Wednesday, May 6, 2009 at 3:07pm by puppy101

Algebra
I've been working on this for an hour and I know it's more simple than I'm making it. Please enlighten me. Cyclist 1 is traveling at 20 mph, Cyclist 2 is traveling at 14 mph. How long before they're 15 miles apart? I've tried to fill in a block diagram and ...
Sunday, October 19, 2008 at 8:33pm by Brian

Economics
A reliable 15-year-old babysitter can be a price maker within her own neighborhood. Suppose that this babysitter wishes to implement a Multipart Pricing Plan. Customers who use her services less than L hours per month will pay a high price of PH dollars per hour. Customers who...
Tuesday, July 20, 2010 at 11:53am by James

math
A car travels along a straight road, heading east for one hour then traveling for thirty minutes on another road that leads northeast. If the car has maintained a constant speed of forty miles an hour, how far is it from its starting position
Friday, November 12, 2010 at 6:28pm by tonda

Math 8th Grade Please help
The radius of Earth is 6,371 kilometers. A space shuttle orbits 315 kilometers above the surface of Earth. The space shuttle completes 240° of a revolution around Earth in one hour. What is the average speed of the space shuttle? Choose the closest answer. Please help both...
Wednesday, December 5, 2012 at 4:59pm by Chris

Chemistry
Assume electricity cost 15 cents kw per hour....using the energy requirements.what is the per gram cost of energy to produce Na + AL? Useful info: 2NaCL --> 2Na + CL2 around 600 degree C; 14 KJ per g Na. Al- 2Al2O3-->4Al+3O2 1000 degrees C; 30 KJ per g Al in ...
Tuesday, November 14, 2006 at 9:24pm by Liliana

PreCalc - Vectors
An airplane is flying with an airspeed of 660 Kilometers per hour. The wind is blowing from 345 degrees at 35 km/h. What direction should the airplane take so that, with the wind, the plane will be flying in a direction of 72 degrees? I can compute airspeed and actual ...
Tuesday, May 3, 2011 at 12:00am by Joe

physics
Use the fact that the speed of light in a vacuum is about 3.00 108 m/s to determine how many kilometers a pulse from a laser beam travels in exactly 4.9 hour(s)
Tuesday, August 23, 2011 at 10:07pm by Anonymous

Algebra
At 7:00 the hour hand has gone through 210° , and angle between the two hands is 210° the hour hand moves 30° per hour or 1/2 ° per minute while the minute hand moves 6 degrees per minute so the minute is gaining on the hour hand at the rate of 5 1/2 or 11/2 &...
Wednesday, July 4, 2012 at 1:14am by Reiny

trig
A plane has an airspeed of 190 miles per hour and a heading of 24.0°. The ground speed of the plane is 214 miles per hour, and its true course is in the direction of 40.0°. Find the speed and direction of the air currents, assuming they are constants. (Round your ...
Friday, November 16, 2012 at 6:18am by janice

science
For the first one Use Ke = 0.5 mv^2 Ke = 200 MJ or 2 x 10^8 J m= 100,000 tonnes or 1 x 10^8 kg substitue and solve for v. the same approach will answer the second one. Note that speed is in km per hour not Km per hour.
Wednesday, November 30, 2011 at 7:05am by Dr Russ

Earth science
what is the material between 2900 kilometers and 5200 kilometers below earths surface inferred to be
Thursday, April 8, 2010 at 2:06pm by smiley

math liberal arts
A piece of land in Ottawa with an area of 0.4 square kilometers is priced at 5600 Canadian dollars. If there are 1.358 Canadian dollars per (U.S.) dollar, then what is the price in dollars per squaremile?
Saturday, January 26, 2013 at 3:39pm by Anonymous

math
11. Runner A crosses the starting line of a marathon and runs at an average pace of 5.6 miles per hour. Half an hour later, Runner B crosses the starting line and runs at an average rate of 6.4 miles per hour. If the length of the marathon is 26.2 miles, which runner will ...
Wednesday, April 7, 2010 at 9:40am by Anonymous

algebra
From a point on a straight road, John and Fred ride bicycles in opposite directions. John rides 10 miles per hour and Fred rides 12 miles per hour. In how many hours will they be 55 miles apart?
Wednesday, March 13, 2013 at 11:45pm by nick

Math
Two cars start from the same place and travel in the same direction. If one car travels at 60 miles per hour and the other travels at 45 miles per hour, in how many hours will they be 60 miles apart?
Wednesday, February 10, 2010 at 11:04am by Karla

Algebra
Word problem: Ken and Kara are 29 miles apart on a calm lake paddling towards each other. Ken paddles at 3 miles per hour. Kara paddles at 6 miles per hour. How long will it take them to meet?
Wednesday, August 5, 2009 at 4:25pm by coried

math
Ronald made a trip of 450 miles in 8 hours. Before noon he avg. 60 miles per hour, and after noon he avg. 50 miles per hour. At what time did he begin his trip and when did it end?
Thursday, October 18, 2007 at 9:42pm by Cecilia

Algebra
Mrs. Lewis plans to drive 900 miles to her vacation destination, driving an average 50 miles per hour. How many miles per hour faster must she average, while driving, to reduce her total driving time by 3 hours? I'm not sure how to set up the equation. Thanks.
Saturday, November 3, 2007 at 12:33pm by Rose

College Algebra
two trains leave a train station at the same time. One travels east at 10 miles per hour, the other travels west at 9 miles per hour. In how many hours will the two trains be 45.6 miles apart?
Tuesday, August 31, 2010 at 7:22pm by AJ

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 distance(in miles) you ...
Tuesday, December 9, 2008 at 10:15pm by Martin

Math
A train that is 1 mile long starts through a tunnel that is also 1 mile long. The train is traveling 15 miles per hour. How long does it take for the train to get completely out of the tunnel?
Sunday, October 9, 2011 at 7:22pm by PLEASEEEEE

Math
If a car traveling at 80 miles per hour on a slippery road, then its distance D in feet can be caluculated by D=6400/80*1/x, where x is the coefficient of friction between the tires on the road and 0<x>1. a. Multiply and simplify the fromula for D. b. Compare the...
Thursday, August 18, 2011 at 12:53pm by Shun

operation management
A firm is planning to set up an assembly line to assemble 40 units per hour. Assume that 57 minutes per hour are productive. The time to perform each task and the tasks preceding each task are as follows: Task Preceding Task Time to Perform (Min) A - 0.69 B A 0.55 C B 0.92 D B...
Sunday, August 1, 2010 at 8:28pm by monica

math
Mr.Jacobsen wants to hire a magician for his son's birthday party. Marion has a travel fee of $30 and charges $15 per hour. Gregory has a travel fee of$50 and charges $10 per hour. Define a variable. Then write a system of equatins to represent the situation. Solve the ...
Monday, November 26, 2012 at 11:13am by Jane

Algebra II - Word Problem
If a car is traveling downhill at 45 miles per hour on dry pavement, then the braking distance B is B = 45/(0.4+m), where m<0 is the slope of the road. Find the slope of the road if the braking distance is 125 feet.
Thursday, November 15, 2012 at 8:20pm by John

Math
A local gym charge nonmembers $ 19 per hour to use the tennis courts. Members pay a yearly fee of $300 and $4 per hour for using the tennis courts. Write and solve an equation to find how many hours you must use the tennis courts to justify becoming a member.
Monday, January 7, 2008 at 8:37pm by Ricky

algebra 2
Two snow resorts offer private lessons to their customers. Big Time Ski Mountain charges $5 per hour plus $50 insurance. Powder Hills charges $10 per hour plus $30 insurance. For what number of hours is the cost of lessons the same for each resort?
Monday, May 24, 2010 at 11:05pm by Anonymous

Math
kyle just started a new job that pays $7 per hour. He had been making $5 per hour at his old job. Kyle worked a total of 54 hours last month and made $388 before deductions. How many hours did he work at his new job?
Thursday, December 9, 2010 at 4:47pm by Lucas

math
Delia works from 8:00 A.M. to 4:30 P.M. and has one hour each day for lunch. How much does she earn each week if she gets paid $4.80 per hour
Friday, February 5, 2010 at 3:53pm by puppy101

MATH
Delia works from 8:00 A.M. to 4:30 P.M. and has one hour each day for lunch. How much does she earn each week if she gets paid $4.80 per hour?
Monday, January 4, 2010 at 4:03pm by AR

trigonometry
one rotation = 2π(48) = 96π inches in 1 hour it goes 45 miles = 45x5280x12 inches = 2851200 inches number of rotations per hour = 2851200/(96π) = 9453.8.. rotations per hour = 157.563 rpm = 157.563x(2π) radians /min = 990 radians/min
Monday, November 26, 2012 at 11:35pm by Reiny

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 distance(in miles) you ...
Tuesday, December 9, 2008 at 11:26pm by Martin

Math
Fast Freddy was driving his new red Porche down the road at 65 miles per hour when he suddenly saw Officer Friendly behind a bush holding a radar gun. Freddy quickly hit his breaks and slowed his car to 45 miles per hour within about 4 seconds. What was Freddy's rate of ...
Thursday, March 6, 2008 at 6:46pm by Mike

calculus
can you help me? fred leaves his house at 2pm and travels due north at 30km/hour. ron has been traveling due west at 20km/hour and arrives at fred's house at 3pm. where were they closest together?
Sunday, January 10, 2010 at 10:18pm by thuy tien

9th grade
kyle just started a new job that pays $7 per hour. He had been making $5 per hour at his old job. Kyle worked a total of 54 hours last month and made $388 before deductions. How many hours did he work at his new job?
Sunday, May 23, 2010 at 7:47pm by autumn

algebra 2
a car enters 15 miles north of a city. it travels due north at an average speed of 62.5 miles per hour. write an equation to model the car's distance D from the city after traveling for H hours. graph the equation
Wednesday, September 28, 2011 at 7:48pm by mel

accounting
The Seattle Company allocates overhead based on a predetermined overhead rate of $8.00 per direct labor hour. Job b 689 required 6 tons of direct material at a cost of $900.00 per ton and took employees who earn $15.00 per hour a total of 90 hours to complete. What is the ...
Saturday, January 21, 2012 at 12:11am by chunky

math
ANGULAR SPEED OF A RACE CAR. A race car is driven around a circular track at a constant speed of 180miles per hour. If the diameter of the track is 1/2mile, what is the angular speed of the car? Express your answer in revolutions per hour(which is equivalent to laps per hour) ...
Wednesday, June 13, 2007 at 8:14pm by michelle

Economics
I am getting thrown off by absolute advantage: Boston: Red Socks per worker per hour 3 White Socks per worker per hour 3 Chicago: Red Socks per worker per hour 2 White Socks per worker per hour 1 A) Without trade, what is the price of white socks (in terms of red socks) in ...
Friday, May 16, 2008 at 10:55am by G

physics
two runners who live 10 miles apart leave home and start running towards each other at the same time. one runner runs 4 miles per hour, and the ohter runs 6 miles per hour. how long after the runners begin running will they meet?
Wednesday, August 31, 2011 at 4:26am by jenniffer

science
Yes, you're right -- and you're welcome. I'm not a math teacher and I often am confused about how to solve a problem. However, I usually can estimate the answer. For instance if the trail were 5 km long, then obviously their average speed is 1 km per hour. So your ...
Wednesday, March 9, 2011 at 12:41pm by Ms. Sue

Algebra
It takes 2 hours to drive hours to drice a distance at 45 miles per hour. write the equation showing the constant of variation, and find houw long it takes to drive the same distance at 40 miles per hour.
Sunday, January 13, 2008 at 11:10pm by Alysia

College Math
The posted speed limit on many U.S. highways is 65 miles per hour. What is this speed in feet per second? My answer was 5720 feet per second. The other answers that would be a possibility are: (A)3600 feet per second, (B)95 1/3 feet per second, (C) 5720 feet per second, which ...
Tuesday, August 28, 2012 at 5:26pm by Carol

algebra
after an 8% increase in your wages, you receive $.94 more per hour. About how much did you receive per hour before the increase in your wages? is it 11.75? because you divide .94 by .08 or do u multiply? no. it should be divide.
Tuesday, October 31, 2006 at 6:04pm by lani

Math
Tony's baby sitting service charges $2.50 per day plus $1.75 an hour. What is the cost of a seven hour babysitting job?
Saturday, September 22, 2012 at 7:13pm by Homework girl

algeba
a consulting engineer's time is billed at $60 per hour, and her assistant's is builled at $20 per hour. A customer received a bill for $580 for a certain job. If hte assistant worked 5 hours less than the engineer, how much time did each bill on the job?
Monday, August 27, 2012 at 1:35am by Cristy

Pre-Cal
An airplane's velocity with respect to the air is 580 miles per hour, and it is heading N 60 degrees W. The wind, at the altitude of the plane, is from the southwest and has a velocity of 60 miles per hour. What is the true direction of the plane, and what is its speed ...
Wednesday, March 31, 2010 at 11:54pm by Hannah

military,math
can someone please help me with these problems. The posted speed limit for trucks along national route 3 is 35mph. how many kilometers will a convoy cover after 3.7 hours on the road traveling at the posted. a) 804.85 b)129.5 c)208.37 d)80.4 The village of Umatata does not ...
Thursday, April 5, 2007 at 2:39am by jake123

math
A marathon runner ran 26.2 miles in 2 h 30 min. Find these rates: a. miles per hour b. miles per minute c. minutes per mile
Thursday, November 10, 2011 at 7:39am by missy

Foundations of Algebra
Tony is Test Image of a mile ahead of Laura on a jogging path. If Tony is running at 5 miles per hour, and Laura is running at 7 miles per hour, how long will it take Laura to catch up with Tony?
Wednesday, December 5, 2012 at 11:55am by terrell mccauley

Calculus
One ship is 20 miles due North of another ship, and is sailing South at the rate of 10 miles per hour. The second ship sails West at the rate of 20 miles per hour. For how long will the ships continue to approach each other?
Wednesday, November 14, 2012 at 8:54pm by JP

physics
A car traveling at 150 miles/hour strikes a wall and bounces backwards at 30 miles/hour. If the car is in contact with the wall for 0.1 seconds, what is the force that the car exerts on the driver.
Sunday, March 24, 2013 at 10:01pm by robert

math
A ship left at 9:00 am going 10 miles per hour on a course. Another ship left at noon on the same course going 15 miles per hour. At what time did the second ship overtake the first ship?
Thursday, May 19, 2011 at 11:33pm by Robyn

algebra
the time it takes you to get to campus varies inveresly as your driving rate. Driving at a rate of 40 miles per hour, it takes 1.5 hours. How ong would the trip take you driving at a rate of 60 miles per hour?
Thursday, November 1, 2012 at 11:06am by Maria

algebra
A jogger leaves home and runs at a constant speed of 4 miles per hour. Nine minutes later, a bicyclist follows along the same route at a constant speed of 15 miles per hour. Find the bicyclist's travel time needed to catch the jogger.
Thursday, September 1, 2011 at 12:30pm by Alice

Algebra 1
a train leaves a city heading west and travels at 50 miles per hour. three hours later, a second train laeves from the same place and travels in the same directionat 65 per hour. how long will it take for the second train to overtake first train?
Thursday, January 27, 2011 at 8:58pm by Jasmine

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