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18 January, 11:54

Tracy needs to find the length and width of the equiptment storage room where she works. the room is 2 meters long than it is wide. its perimeter is 24 meters. find the width in meters

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  1. 18 January, 12:37
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    Rectangle:

    P = 2 (L+W) but length is 2 meters longer than wide

    then L = W + 2, So

    P = 2 (L + W)

    24 = 2 (W+2+W)

    24 = 2 (2 + 2W)

    24 = 4 + 4W

    So 4W = 24 - 4 = 20

    W = 20/4 = 5, L = 5+2 = 7

    Double check

    24 = 2 * (5+7) = 2 * 12 = 24
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