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2 August, 06:31

A 7-ft. board is cut into 2 pieces so that one piece is 3 feet longer than 3 times the shorter piece. if the shorter piece is x feet long, find the lengths of both pieces.

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  1. 2 August, 10:07
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    Longer piece: 3x + 3

    Shorter piece: x

    (x) + (3x + 3) = 7

    4x + 3 = 7

    4x = 4

    x = 1

    Longer piece: 3x + 3 = 3 (1) + 3 = 6

    Answer: 1 ft and 6 ft
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