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24-09-2018
Mathematics

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The width of a rectangle is 1/2 of its length. What are the sides of the rectangle if its perimeter is 63 in.? NEED ASAP

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24-09-2018

w = 1/2l

63 = 2(1/2l) + 2l
63=l+2l
63=3l
Length is 21
Width is 10.5

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