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The speed of train A is 12mph less than train B. Train A travels 200 miles in the same time train B travels 260 miles. What is the speed of each train?

Sativa002

by Sativa002 at August 14, 2011

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Sativa -Train A is going 40 mph and Train B is going 52 mph.Here is a very important equation for this problem:distance = rate x time, or in math symbolsd=r*tRearranging this by solving for time:d/r = tIn this problem, both trains travel over the same time, but different distances.  So here is how to set up the equation:, where "s" equals the speed of Train ANow, simply solve for s ... I'll leave the math for you!Once you know s, then train A is going 12 mph less:Train A:speed equals  s - 12Hope that helps

Steve204 Steve204 August 15, 2011

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