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23 November, 20:13

The length of a rectangle is 3inches more than its width if the perimeter is 42inches find the dimensions of the rectangle

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  1. 23 November, 21:41
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    Let w+3 = length of rectangle

    Let w = width of rectangle

    42=2 (w) + 2 (w+3)

    42=2w+2w+6

    42=4w+6

    36=4w

    9=w

    9+3=12

    The length is 12inches and the width is 9 inches
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