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29 August, 15:24

The area of a rectangle is 63 ft2, and the length of the rectangle is 5 ft more than twice the width. find the dimensions of the rectangle.

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  1. 29 August, 15:38
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    W (2w+5) = 63 where w is the width and 2w+5 is 5 more than twice the width w.

    2w^2 + 5w = 63

    2w^2 + 5w - 63 = 0

    Factoring

    (w+7) (2w-9) = 0

    2w-9 = 0

    w=9/2 = 4.5 ft

    Length is therefore 14 ft
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