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24 April, 22:41

the length of a rectangle is 5 less than twice its width. if the perimeter is 26 meters, find the dimensions of the rectangle

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  1. 24 April, 23:30
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    The length of a rectangle is 5 less than twice its width

    l = 2w - 5

    perimeter is 26 meters

    l + w + l + w = 26

    2l + 2w = 26

    2w = 26 - 2l

    l = 2w - 5

    l = 26 - 2l - 5

    3l = 21

    l = 7

    w = 13 - l = 13 - 7 = 6

    Answer: length 7 meters, width 6 meters
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