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28 October, 19:52

The perimeter of a rectangle is 68 ft.

Find the dimensions of the rectangle if the ratio of the length to the width is 9 : 8.

A) 24 ft by 10 ft

B) 22 ft by 12 ft

C) 20 ft by 14 ft

D) 18 ft by 16 ft

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Answers (1)
  1. 28 October, 22:28
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    Let the length be 9x and the width = 8x

    Perimeter = 2 (l + w) = 2 (9x + 8x) = 2 (17x) = 34x = 68

    x = 68/34 = 2

    9x = 9 (2) = 18 ft

    8x = 8 (2) = 16 ft

    Therefore, dimensions are 18 ft by 16ft
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