two cars 325 kilometers apart travel toward each other one c

two cars, 325 kilometers apart, travel toward each other. one car travels at a rate of 70 km/h and the other at 60km/h. after how many hours will they meet?

The closing speed is (70+60)= 130 km/h
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time = distance/rate
time = 325/130 = 2.5 hours.