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21 June, 15:52

The perimeter of a rectangle is 192 ft. The ratio of its length to its width is 7 : 5. What are the dimensions of the rectangle?

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  1. 21 June, 16:12
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    P = 2 (L + W)

    P = 192

    192 = 2 (L + W)

    192 / 2 = L + W

    96 = L + W

    length to width ... 7:5 ... added = 12

    7/12 * 96 = 672/12 = 56 ft < = = ur length

    5/12 * 96 = 480/12 = 40 ft < = = ur width
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