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8 July, 07:11

The perimeter of a rectangle is 20 inches. If its length is three times its width, find the dimensions.

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  1. 8 July, 08:21
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    l=7.5, w=2.5

    Step-by-step explanation:

    ok length=3w

    width=w

    therefore, 2 (3w+w) = 20

    6w+2w=20

    8w=20

    w=20/8

    w=2.5

    therefore, width=2.5, length=7.5
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