SOLUTION: Two trains leave a station at the same time are going in the same direction. One travels at 40 mi/h and the other travels at 55 mi/h. In how many hours will they be 72 miles apart?

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Question 390289: Two trains leave a station at the same time are going in the same direction. One travels at 40 mi/h and the other travels at 55 mi/h. In how many hours will they be 72 miles apart?
Answer by chrisrao(11) About Me  (Show Source):
You can put this solution on YOUR website!
S = (V1-V2)T
72 = (55-40)T
T = 72/15 = 4.8 hours