Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 168610: 2 planes travel toward eachother from cities that are 1615km apart. the 2 planes pass eachother in the air after 3hrs and 48min, the slower plane was traveling at a rate of speed that was 80kh more than 1/2 the rate of speed of the faster plane assuming they left at the same time at what rate of speed was each plane traveling?
Click here to see answer by ankor@dixie-net.com(15657)  |
Question 168674: A motorcycle breaks down and the rider must walk the rest of the way to work. The motorcycle was being driven at 45mph, and the rider walks at a speed of 6 mph. The distance from home to work is 25 miles, and the total for the trip was 2 hours. How far did the motorcycle go before it broke down?
Click here to see answer by stanbon(57377) |
Question 169005: Two trains 100 km apart each travel towards each other at 10 km per hour. A bumblebee starts flying back and forth between the two trains at 60 km per hour, until the two trains crash into each other. How far does the bumblebee travel?
Click here to see answer by ptaylor(2048)  |
Question 169023: A jet-liner and a propeller driven aircraft leave two cities 3000km apart at the same time and fly toward each other on a collision course. The flights are non-stop. If the propeller driven plane flies at 300km/h and the jet at 600km/h, how far will the jet fly before these planes crash?
Click here to see answer by Alan3354(30993)  |
Question 169023: A jet-liner and a propeller driven aircraft leave two cities 3000km apart at the same time and fly toward each other on a collision course. The flights are non-stop. If the propeller driven plane flies at 300km/h and the jet at 600km/h, how far will the jet fly before these planes crash?
Click here to see answer by checkley77(12569) |
Question 169023: A jet-liner and a propeller driven aircraft leave two cities 3000km apart at the same time and fly toward each other on a collision course. The flights are non-stop. If the propeller driven plane flies at 300km/h and the jet at 600km/h, how far will the jet fly before these planes crash?
Click here to see answer by nerdybill(6962)  |
Question 169352: avoiding a collision: a car is traveling on a road that is perpendicular to a railroad track. when the car is 30 meters from the crossing, the car's new collison detector warns the driver that there is a train 50 meters from the car and heading toward the same crossing. how far is the train from the crossing?
Click here to see answer by algebrapro18(206) |
Question 169352: avoiding a collision: a car is traveling on a road that is perpendicular to a railroad track. when the car is 30 meters from the crossing, the car's new collison detector warns the driver that there is a train 50 meters from the car and heading toward the same crossing. how far is the train from the crossing?
Click here to see answer by Mathtut(3670) |
Question 169835: Please help me with this problem:
An object launched upward with an initial velocity of 14.7 m/s from a height of 49 m will have a height of s(t)= -4.9t^2+49, where s is in meters and t is in seconds. How long will it take the object to hit the ground?
Thank you.
Click here to see answer by stanbon(57377) |
Question 169815: a train is traveling from Boston,Massachusetts, to Richmond, Virginia, averages about 55 miles per hour. Define the variables, write an equation,make a table, and draw a graph to show the distance the train travels in 0 to 5 hours.
Thanks for all those who help.
Click here to see answer by stanbon(57377) |
Question 169873: HOW LONG WILL IT TAKE YOU TO WALK TO CLASS IF YOU WALK 3 MILES PER HOUR ALONG A STRAIGHT PATH AND IF THE CLASSROOM IS A MILE AND A HALF FROM WHERE YOU START?
THIS IS WHAT I GOT (RT=D)
SO 3X=1.5? BUT IT IS NOT COMING OUT PLEASE HELP
THANKS
Click here to see answer by stanbon(57377) |
Question 169934: A boat can travel 36 mmiles downstream in 2 hours. Coming back upstream the trip takes 3 hours. Find the rate of the boat in still water and the rate of the current.
b be average speed of boat,
c = average current.
gives
2(b+c)= 36
3(b-c)= 36
expanding
..
2b+2c=36....divide by 2, b+c=18 giving 3b+3c=54
3b-3c=36..given
..
3b+3c=54...eqn 1
3b-3c=36...eqn 2
subtract eqn 2 from 1
6c=18
c=3
b=15
Rate of boat = 15 mph
Current = 3mph
Click here to see answer by rajagopalan(158)  |
Question 169954: Two trains 100 km apart each travel towards each other at 10 km per hour. A bumblebee starts flying back and forth between the two trains at 60 km per hour, until the two trains crash into each other. How far does the bumblebee travel?
Click here to see answer by nerdybill(6962)  |
Question 169954: Two trains 100 km apart each travel towards each other at 10 km per hour. A bumblebee starts flying back and forth between the two trains at 60 km per hour, until the two trains crash into each other. How far does the bumblebee travel?
Click here to see answer by Edwin McCravy(8909)  |
Question 170217: Trains A and B are travelling in the same direction on parallel tracks. train A is traveling at 40mph and train b is travelling at44mph. Train A passes a station at 9:10 pm and Train B passes the same station @9:40.
At what time will train b cath up with train?
Click here to see answer by nerdybill(6962)  |
Question 170222: HELP!!!
As part of his training, an athlete usually runs 80km at a steady speed of v km/. One day he decideds to reduce his speed by 2.5km/h and his run takes him an extrax 2h 40 min. Derive an equation in terms of v and use to find athlete's initial speed.
Click here to see answer by stanbon(57377) |
Question 170334: HELP! I am completely stuck on this problem:
A twin-engined air craft can fly 1200 miles from city A to city B in 5 hours with the wind and make the return trip in 8 hours against the wind. what is the speed of the wind?
I have solved so many of these before in geometry, but that was over a year ago, and I can't remember how to solve it.
When I attempted to figure it out, I was not sure if the equation with the wind was 5+X and if the one against the wind was 8-X, or x-8.
Thanks so much for the help! it really means a lot!
Click here to see answer by checkley77(12569) |
Question 170345: Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone 15 mi, the distance between the cars was 5 mi more than the distance traveled by the car heading east. How far had the east bound car traveled?
Click here to see answer by Mathtut(3670) |
Question 170448: Hi,
I am having trouble finding the right equation to use in solving the following word problem from my GRE math test prep worksheet. Can you please advise me on how to start?
Two cars started from the same point and traveled on a straight course in opposite directions for exactly 2 hours, at which time they were 208 miles apart. If one car traveled, on average, 8 mph faster than the other car, what was the average speed for each car for the 2-hour trip?
Thanks,
Julie
Click here to see answer by nerdybill(6962)  |
Question 170472: Two trains are traveling on parallel tracks. Train A is traveling at 80 mph and train B is traveling at 88 mph. Train A passes the train station at 9:25. Train B passes the same station at 9:55. What time will it be when train B catches up with train A?
Click here to see answer by stanbon(57377) |
Question 170619: Jeff leaves his house on his bicycle at 8:30 am, and averages 5 mph. At 9:00 am his wife leaves, following the same path and averages 6 mph. At what time will joan catch up with Jeff?
t= time jeff travels
using the equation d=r*t, I get 5t=6(t-1/2)
expanding- 5t=6t-3
-t=-3.
So my question is, am I solving this right? And if so, what is t=3? Does that mean she will catch up to him in 3 hrs? the only other way I could imagine it is that it means she will catch him at 3 oclock but that doesn't seem right.
thank you!
Click here to see answer by stanbon(57377) |
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