Questions on Word Problems: Travel and Distance answered by real tutors!

Tutors Answer Your Questions about Travel Word Problems (FREE)

Question 203362: The brightest star in our sky is Sirius,which is 51,700,000,000,000 miles away from earth.The speed of light is approximatley 299,329.8 kilometers per second. Determine how long it will take light leaving earth to reach Sirius. Round the answer to the nearest tenth of a year. Use 365 days = 1 year.
Another math problem. Janet
Click here to see answer by ankor@dixie-net.com(22740)

Question 203428: if a car goes 90 mph for 3 hrs how far did it go?
Click here to see answer by rfer(16322)

Question 203473: Big plane. A six-passenger plane cruises at 180 mph in
calm air. If the plane flies 7 miles with the wind in the
same amount of time as it flies 5 miles against the wind,
then what is the wind speed?
Click here to see answer by ankor@dixie-net.com(22740)

Question 203545: If a space probe travels 100 kilometers per second for 12 years, how far will it travel?

Click here to see answer by checkley77(12844)

Question 203559: If two planes leave the same airport at 1:00 PM, how many miles apart will they be at 3:00 PM if one travels directly north at 150 mph and the other travels directly west at 200 mph?
Click here to see answer by Earlsdon(6294)

Question 203740: two cyclist start from the same point at the same time and move in opposite directions. One cyclist is traveling at 9mph, and the other cyclist is traveling
at 4mph. After 90 min, how many miles apart are the two cyclists?
Click here to see answer by jejess(7)

Question 203744: Jim drove 196 miles in 4 hours. If he can keep the same pace, how long will it take him to drive 1078 miles?
Click here to see answer by tina_wood(5)

Question 203758: Please help me solve, Iam unsure how to set up the problem... it shows in the book but I cannot understand the explanation

#6. If a car travels 1/100 kilometer each second, how many kilometers does it travel in an hour?

I tried this 1/100*120 seconds... this is not right, I dont understand why.
Click here to see answer by Alan3354(69443)

Question 203761: Please help me solve, Iam unsure how to set up the problem... it shows in the book also but I cannot understand the explanation
#10. A student finishes the first half of an exam in 2/3 the time it takes to finish the second half . If the entire exam takes an hour, how many minutes does she spend on the first half of the exam?

The back of the book sets up the problem like this... 5/3S = 60, then
3/5 * 5/3S = 3/5*60, then S=36....

I do not understand how they came up with the 5/3, then I figured 2/3 + 2/3 + 1hr = 5/3, but why did they multiply the recipricols and then place 3/5 on the other side *60?
Click here to see answer by Earlsdon(6294)

Question 203749: If an object is thrown upward with an initial velocity of 64 ft/sec, its height after t sec is given by h = 64t -16t^2. Find the number of seconds the object is in the air before it hits the ground.
Click here to see answer by Alan3354(69443)

Question 203746: The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. If a force of 36 pounds is needed to keep an 1800 pound car traveling at 20 mph from skidding on a curve of radius 600 feet what force would be required to keep the same car from skidding on a curce of radius 570 feet at 50 mph?
Click here to see answer by Earlsdon(6294)

Question 203774: This will use distance velocity and time and will require 2 equations
I bicycle at 20 mph and leave the starting point at 8 AM
My buddy drives at 40 mph and leaves the starting point at 10 AM following me
How far have I gone when he catches up and how much time has passed
I got the answer as, I will have traveled 80 miles and 4 hours will have passed, but I would like to see it in a formula, so I can understand the algebra formula

Click here to see answer by scott8148(6628)

Question 203792: If I drive x mph for t hours and then y mph for 2t hours. Then what is expression for the average speed.

Click here to see answer by stanbon(75887)

Question 203795: A boat went up the stream for 1/4 of the distance at 4 mph, then another 1/4 at 2 mph and the rest at 8 mph. What was her average speed?
Click here to see answer by RAY100(1637)

Question 203885: A rocket was fired up at a speed of 5000km/h. but after going up 10 km , it fell back at the speed of 200 km/h . what was its average speed over the round trip ?
Click here to see answer by Alan3354(69443)

Question 204027: With a tail wind, a plane traveled 300 mi in 5 hours. With a head wind, the plane traveled the same distance in 8 hours. Which system of equations could be used to solve this problem? (Let s be the speed of the plane and w be the tailwind.)
Click here to see answer by scott8148(6628)

Question 204043: On a 100-mile trip,a family drove for 1 hour at 50 mph and then the rest at 60 mph. What was the average speed of the trip?
Click here to see answer by stanbon(75887)

Question 204079: If I drive x mph for t hours and then y mph for 2t hours, what is the expression for average speed?
Click here to see answer by stanbon(75887)

Question 204110: A hare is 30 meters in front of a hound., and he runs 3 meters while the hound runs 6 meters, how many meters must the hound run to catch the hare?
Click here to see answer by RAY100(1637)

Question 204115: I am driving away from point A at a speed of 30 mph, my friend is driving in the opposite direction also at a speed of 30 mph.How far away from point A is my friend and I in half an hour?
Click here to see answer by Alan3354(69443)

Question 204108: Gone fishing. Debbie traveled by boat 5 miles upstream to
fish in her favorite spot. Because of the 4-mph current, it
took her 20 minutes longer to get there than to return. How
fast will her boat go in still water?

Thank you for your help
Click here to see answer by ankor@dixie-net.com(22740)

Question 204127: An aircraft carrier made a trip to guam and back. The trip there took three hours and the trip back took four hours. It averaged 6km/h. Find the average speed of trip?
I think it is 6.72km/h
Click here to see answer by Alan3354(69443)

Question 204113: A pony is 40 jumps ahead of the horse, and takes 3 jumps while the horse takes 2 ,but 2 of the horse's jumps equal 4 of the pony's; in how many jumps while the horse catch up to the pony?
Click here to see answer by RAY100(1637)

Question 204111: A thief is 20 steps ahead of a cop , and takes 6 steps while the cop takes 5, but 5 of the cop's steps equal 8 of the thief's; how far will the thief run before he is caught?
Click here to see answer by ankor@dixie-net.com(22740)

Question 204241: I am driving towards a town at a speed of 50 mph. My friend is also driving towards the town from the opposite direction at a speed of 45 mph. How far is the distance between us decreasing?
Click here to see answer by Alan3354(69443)

Question 204258: A woman rides her bike 5 miles in 2 hours. At this rate, how far can she travel in 7 hours?
Click here to see answer by Earlsdon(6294)

Question 204259: A boat can travel 14 miles upstream in the same amount of time it takes to travel 21 miles downstream. If the current is 2 miles per hour, what is the speed of the boat in still water?
Click here to see answer by Earlsdon(6294)

Question 204392: A freight train leaves a station travelling at 30 mph A passenger train leaves 1 hours later travelling at 50 mph. At what time will the passenger train overtake the freight train?
Click here to see answer by checkley77(12844)

Question 204382: You are walking across a rail bridge, and are 3/8 of the way across.

You hear a train approaching behind you at 60 miles per hour.

You do some quick calculation, and you realize that you can either run back or forward, and either way, you can make it to the end of the bridge and get off the tracks, just in time to avoid getting hit by the train. That is, you will get to the end of the bridge (either behind you or in front of you) the exact same time as the train.

What is your running speed?

Click here to see answer by ankor@dixie-net.com(22740)

Question 204385: A Jet can travel at a rate or 525 miles per hour in calm air. Traveling with the wind, the plane flew 1815 miles in the same time that it flew 1335 miles against the wind. Find the rate of the wind.
Click here to see answer by stanbon(75887)

Question 204339: An aircraft carrier made a trip to Guam and back. The trip there took three hours and the trip back took four hours. It averaged 6 km/h on the return trip. Find the average speed of the trip
Click here to see answer by ankor@dixie-net.com(22740)

Question 204492: A car travels 55 miles per hour and a plane travels 15 miles per minute. How far does the car travel when the plane travels 500 miles?
Click here to see answer by alicealc(293)

Question 204476: on a certain map, 2.5 in. represents 10mi. How many miles would be represented by 12in.
Click here to see answer by sowmya(32)

Question 204543: Two vehicles are moving with 50 mph and 65 mph in same direction .After 5hrs what is the distance between the two vehicles?
Click here to see answer by jojo14344(1513)

Question 204475: A bus and a cyclist leave a school at 8 am and head for a stadium 90mi away. The rate of the bus is three times the rate of the cyclist. The cyclist arrives 4h after the bus. Find the rate of the bus
Click here to see answer by alicealc(293)

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