SOLUTION: Two trains leave a train station at the same time. One travels east at 7 miles per hour. The other train travels west at 9 miles per hour. In how many hours will the two trains be
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Question 730316: Two trains leave a train station at the same time. One travels east at 7 miles per hour. The other train travels west at 9 miles per hour. In how many hours will the two trains be 80 miles apart? Answer by solver91311(24713) (Show Source):
