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5 October, 06:44

The perimeter of a rectangle is 74 feet. the length of the rectangle is 3 feet less than 4 times the width. what is the width of the rectangle in feet?

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  1. 5 October, 06:55
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    74 = 2l+2w

    l=4w-3

    Substitute the l value

    74 = 2 (4w-3) + 2w

    74 = 8w-6+2w

    74=10w-6

    80=10w

    8=w

    Final answer: 8 ft

    To check, find length and plug values in

    l = 4w-3

    l=4 (8) - 3

    l=32-3

    l=29

    74=2 (29) + 2 (8)

    True

    29 = 4 (8) - 3

    True
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