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30 October, 10:06

The length of a rectangular pool is 4 times its width. if the perimeter of the pool is 140 meters, find its length and width of the pool

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  1. 30 October, 11:50
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    L=4W

    P=2 (L+W)

    P=140

    140=2 (L+W)

    divide both sides by 2

    70=L+W

    L=4W

    70=4W+W

    70=5W

    divide both sides by 5

    14=W

    width=14 meters
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