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13. Majesta is building a rectangular sandbox for her younger sister. The length of the sandbox is 2 feet shorter than

three times the width of the sandbox. The perimeter of the sandbox is 40 feet. (Perimeter = 2 x width + 2 xlength)

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  1. 22 May, 15:26
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    Width = 5.5 feet

    Length = 14.5 feet

    Step-by-step explanation:

    let the width = x feet

    Length = 3x - 2 feet

    Perimeter = 40 feet

    2 * width + 2 * length = 40

    2x + 2 * (3x-2) = 40

    2x + 6x - 4 = 40

    8x = 40 + 4 = 44

    x = 44/8 = 5.5

    Width = 5.5 feet

    Length = 3 * 5.5 - 2 = 16.5 - 2 = 14.5 feet
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