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14 August, 21:53

A 16-foot board is to be cut into two pieces so that one piece is 4 feet longer than the other. How long will the longer piece be?

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  1. 14 August, 22:09
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    10 feet

    Step-by-step explanation:

    If x is the length of the longer piece, and y is the length of the shorter piece, then:

    x + y = 16

    x = y + 4

    Substitute:

    x + (x - 4) = 16

    2x - 4 = 16

    2x = 20

    x = 10

    The longer piece will be 10 feet long.
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