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27 October, 13:19

A rectangle's width is twice as long as its length. if the perimeter is 36 in., find its length

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  1. 27 October, 14:28
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    P = 2 (L + W)

    P = 36

    W = 2L

    36 = 2 (L + 2L)

    36 = 2 (3L)

    36 = 6L

    36/6 = L

    6 = L < = = length is 6 inches

    W = 2L

    W = 2 (6)

    W = 12 < = = = width is 12 inches
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