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?
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-> 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?
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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(52754) (Show Source):
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.
