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20 July, 12:46

The perimeter of a rectangular from lawn of a library is 192 ft. The ratio os the length to width is 5:3. Find the area of the lawn

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  1. 20 July, 14:38
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    A) 2L + 2W = 192

    B) 3L = 5W

    Multiplying B) by - 2/3

    B) - 2L + 3 (1/3) W = 0 then adding this to A)

    A) 2L + 2W = 192

    5 (1/3) W = 192

    W = 36

    L = 60

    Area of the lawn = 36 * 60 = 2,160
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