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30 March, 23:41

A rectangle 7 feet longer than it is wide find the dimensions of the rectangle if its area is one 198 sq ft.

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  1. 31 March, 00:13
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    W=width l=length

    l=w+7

    w (w+7) = 198

    w^2+7w-198=0

    (w-11) (w+18) = 0

    w=11 or - 18

    w=11 and l=18
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