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8 June 2013
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Trains Approaching Puzzle

Genre: Math Puzzle Rating: 4 - Medium Source: Unknown
Brain Functions: Analysis / Exact Calculations Hint    Solution

The distance between Heresville and Theretown is 240 miles. A train leaves Heresville for Theretown traveling at 65 miles per hour. One hour later a train leaves Theretown for Heresville traveling at 55 miles per hour. Assuming both trains maintain a constant speed and the tracks are straight, how far apart are the trains one hour before they meet?

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