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8 January, 22:55

30. The perimeter of a rectangle is 292 feet. The length of the rectangle is 4 feet less than 5 times the width. What is the length and width of the rectangle? a. length = 121, width = 25 b. length = 114.3, width = 23.7 c. length = 25, width = 121 d. length = 121.7, width = 24.3

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  1. 8 January, 23:15
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    P = 2 (L + W)

    P = 292

    L = 5W - 4

    292 = 2 (5W - 4 + W)

    292 = 2 (6W - 4)

    292 = 12W - 8

    292 + 8 = 12W

    300 = 12W

    300/12 = W

    25 = W < = = = width is 25 ft

    L = 5W - 4

    L = 5 (25) - 4

    L = 125 - 4

    L = 121 < = = = length is 121 ft
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