SOLUTION: Two trains leave a station, one traveling north at a rate of 60 m.p.h. and the other traveling south at a rate of 54 m.p.h. In how many hours will they be 342 miles apart?

Question 365615: Two trains leave a station, one traveling north at a rate of 60 m.p.h. and the other traveling south at a rate of 54 m.p.h. In how many hours will they be 342 miles apart?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi, 

Let x represent time traveled by each

d  = r*t

60mphx + 54mphx = 342mi

114mphx = 342mi

x = 3hr



checking our answer

60mph*3hr + 54mph*3hr = 180mi + 162mi = 342mi

 

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