Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 751989: A car driving down a two lane highway has a speed of 50mph for the first part of the trip and 60 mph for the second part of the trip. The total time for the trip is 11 hrs and the total distance is 630 miles. Write a system of equations modeling the trip.
Click here to see answer by richwmiller(9143)  |
Question 750996: The distance from Dayton to Indianapolis is 120 miles and it is 180 miles from Indianapolis to Chicago. If a car needs 4 gallons of gasoline to drive from Dayton to Indianapolis, how many gallons of gasoline will it need to drive to Chicago from Dayton?
Click here to see answer by Cromlix(353)  |
Question 751119: Two cars are traveling on the same road and start from the same location. When the blue car starts the trip the red car has already traveled 40 miles. The speed of the blue car is 70 mph and the speed of the red car is 50 mph
a). How long does it take the blue car to catch the red car?
b). How far have they traveled from the starting point when the blue car catches the red car?
Click here to see answer by josmiceli(9697)  |
Question 750288: A student must leave for campus in 10 minutes or he will be late for class. Unfortunately, he is snowed in. He can shovel the driveway in 16 minutes, and his brother claims to be able to do it in 14 minutes. If they shovel together, how long will it take to clear the driveway? Will this give enough time for the student to get to the campus?
It will take about ____ minutes to clear the driveway together.
Will this give the student enough time to get to the campus?
I tried to solve this and came up with the wrong answer and am hoping I can find out where I am wrong. It will take about __x__ minutes to clear the driveway together. So, 1/x =1/14+1/16 x = 7.47
So It will take about __7.47__ minutes to clear the driveway together. I also tried 8 and it was also wrong, thank you!
This will give the student enough time to get to the campus
Click here to see answer by ankor@dixie-net.com(15660)  |
Question 750379: Aya rode her bicycle from her house to a friend's house, averaging 16 kilometers per hour. It turned dark before she ready to return home, so her friend drove her home at a rate of 80 kilometers per hour. If Aya's total traveling time was 3 hours, how far away did her friend live?
Click here to see answer by ankor@dixie-net.com(15660)  |
Question 750279: A truck can travel 140 miles in the same time it takes a car to travel 180 miles. If the trucks rate is 10 miles per hour slower than the cars, find the average rate for each.
The rate of the car is ____ miles per hour.
The rate of the truck is ____ miles per hour.
Click here to see answer by ankor@dixie-net.com(15660)  |
Question 750301: Please help me solve this word problem:
Jerry takes 6 hours to ride a bicycle 30 minutes against the wind. He takes two hours to return with the wind. Find Jerry's average riding speed in still air and the average speed of the wind.
*thank you ^_^*
Click here to see answer by lwsshak3(6519) |
Question 750254: A truck traveled the first 200 miles of a trip at one speed and the last 225 miles at the average speed of 5 mph less. the entire trip took 10 hours. what were the two average speeds?
So far I have tried 200x+250(x-5)=10 and I got x=2.8 and -2.2 which is obviously wrong. Please help!
Click here to see answer by josgarithmetic(1536) |
Question 750121: 1.3 person starts walking on circular track at speed of 10,20 & 40 mtr per sec.Where they will meet on 1km circular track?
3 person starts walking on 1km long track at speed of 10,20 & 40 mtr per sec.Where they will meet ?
Click here to see answer by stanbon(57384) |
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