SOLUTION: Two trains leave bluebird station at the same time traveling due west on parallel tracks. One train travels 35 mph while the other travels 40 mph. After how many hours are the trai

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Question 1050958: Two trains leave bluebird station at the same time traveling due west on parallel tracks. One train travels 35 mph while the other travels 40 mph. After how many hours are the trains 20 miles apart?
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
20%2F%2840-35%29 = 20%2F5 = 4 hours.

40-35 = 5 mph is the rate of increasing the distance between two trains.

The formula I applied is Time = Distance%2FRate.