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11 November, 04:51

Towns A and B are 400 miles apart. If a train leaves A in the direction of B at 50 miles

per hour, how long will it take before that train meets another train, going from B to A,

at a speed of 30 miles per hour?

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  1. 11 November, 06:04
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    From A : 50/hour. * x (hour)

    From B : 30/hour * x (hour)

    50 * x + 30 * x = 400

    80 * x=400

    x=5 (hour)

    Then the train from A will make 50 * 5=250 miles

    (These is fisik)
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