SOLUTION: Two trains leave the station at the same time going in the same direction on parallel tracks. The freight train is going 42 mph and the other, a passenger train, is going 54mph.
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Question 196294: Two trains leave the station at the same time going in the same direction on parallel tracks. The freight train is going 42 mph and the other, a passenger train, is going 54mph. After how long will the trains be 324 miles apart? Answer by checkley77(12569) (Show Source):
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