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23-12-2020
Mathematics

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the perimeter of a rectangle is 72 ft. the ratio of the length to width is 5:4. what are the dimensions of the rectangle?

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coraltiger23 coraltiger23

23-12-2020

Answer: 20 by 16

Step-by-step explanation:

5:4 OR 5x:4x

Perimeter = 2(l x w)

P = 2(5x x 4x)

P = 10x + 8x = 18 x

18x=72

x=4

5 x 4 = 20

4 x 4 = 16

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