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16 April, 01:34

The length of a rectangle is 13 centimeters less than three times its width. Its area is 56 square centimeters. Find the dimensions of the rectangle

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  1. 16 April, 01:50
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    Area = length x width

    Area = (3width - 13) x width

    Area = 3 width^2 - 13width

    56 = 3width^2 - 13 width

    Width = 7

    Length = (3 * 7) - 13 = 8
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