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Posted by on Wednesday, December 5, 2012 at 12:31pm.

Two trains leave a train station at the same time. One travels east at 11 miles per hour. The other train travels west at 9 miles per hour. In how many hours will the two trains be 70 miles apart?

  • Math - , Wednesday, December 5, 2012 at 1:35pm

    11h + 9h = 70

    Solve for h.

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