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7 January, 16:03

The length of a rectangle is four times its width. if the perimeter of the rectangle is 100 in, find its length and width.

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  1. 7 January, 16:18
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    Let w in be the length.

    w+4w+w+4w=100

    10w=100

    w=10

    Hence the length is 4*10=40 in, the width is 10 in
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