SOLUTION: A car leaves town at 72 km/hr. An hour later, a second car leaves the same town, on the same road, traveling at 90 km/hr. In how many hours will the second car catch up to the firs
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Question 923355: A car leaves town at 72 km/hr. An hour later, a second car leaves the same town, on the same road, traveling at 90 km/hr. In how many hours will the second car catch up to the first? Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! D = rt, Distances Equal
72t = 90(t-1)
90 = 18t
90/18 = t = 5hr
second car catch up to the first in 4hrs
