SOLUTION: A car leaves a town at 70kilometers per hour. How long will it take a second car, travelling at 115 kilometers per hour, to catch the first car if it leaves 1hour later?

Question 1133074: A car leaves a town at 70kilometers per hour. How long will it take a second car, travelling at 115 kilometers per hour, to catch the first car if it leaves 1hour later?
Answer by ikleyn(52756) (Show Source): You can put this solution on YOUR website!
.

ANSWER.  It will take   =  = 2 hours.


EXPLANATION.  70 kilometers is the "head start distance".


              35 km/h = 115 - 70  is the relative speed, or the rate of decreasing the distance between the cars.

Solved and explained.

--------------------

See introductory lessons on Travel and Distance problems
    - Travel and Distance problems
    - Travel and Distance problems for two bodies moving in opposite directions
    - Travel and Distance problems for two bodies moving in the same direction (catching up)
in this site.

They are written specially for you.

You will find the solutions of many similar problems there.

Read them and learn once and for all from these lessons on how to solve simple Travel and Distance problems.

Become an expert in this area.

RELATED QUESTIONS
A car leaves a town at 100 kilometers per hour. How long will it take a second car,... (answered by stanbon)

A car leaves a town at 50 kilometers per hour. How long will it take a second car,... (answered by Boreal)

Please help me solve this problem: A car leaves a town at 120 kilometers per hour. How... (answered by josgarithmetic)

A car leaves a town at 60 miles per hour. How long will it take a second car, traveling... (answered by ewatrrr,Alan3354)

This will be the last time today for me. I thank you all for all of your help. A car... (answered by JulietG)

A car leaves town A at 1:00 pm traveling at 45 miles per hour. A second car leaves town A (answered by oscargut)

A car leaves town A at 1:00 pm traveling at 45 miles per hour. A second car leaves town A (answered by rfer)

Can you please help me write out and solve the equation for this word problem? A car... (answered by jim_thompson5910)

a car is travelling at 82 Km per hour, how long will it take to go 492... (answered by stanbon)