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The perimeter of a rectangle is 216 cm. The length is 8 times as long as the width. What is the width of rectangle?

 Feb 9, 2021
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P =  2 (W + L)

L  = 8W

 

So

 

216  = 2 ( 8W  +  W)

 

216  = 2 (9W)

 

216  =18W

 

216 /18  =  W  =  12 cm

 

 

cool cool cool

 Feb 9, 2021

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