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It will take an hour for plane A to meet plane B which is flying towards it. If, within 45 minutes, the distance between them will be 200 miles, how far apart are they now?

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  1. they are d miles apart at the start

    Va + Vb = V

    V(1) = d

    V(3/4) = d-200
    d(3/4) = d - 200
    200 = d/4
    d = 800

    posted by Damon

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