SOLUTION: 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?

Question 253129: 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?
Found 2 solutions by stanbon, richwmiller:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
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?
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The closing speed is (70+60)= 130 km/h
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time = distance/rate
time = 325/130 = 2.5 hours.
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Cheers,
Stan H.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
70t+60t=325
rt=d
in this case
rt+rt=d
t=5/2=2.5 hours
check
2.5*70+2.5*60=325
140+35+120+30=325
260+65=325
325=325
ok

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