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The length of a rectangle is twice as long as its width. The perimeter is 72 feet. What is the length and width?

Guest Mar 23, 2017
 #1
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Let x ft be its width.

x + 2x = 72

3x = 72

x = 24

Therefore length = 2 x 24 = 48ft and width = 24ft

MaxWong  Mar 23, 2017
 #3
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Wait I found a mistake

x + 2x = 72/2 lol

how could i get that wrong

MaxWong  Mar 26, 2017
 #2
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perimeter of a rectangle = length + length + width + width

72 = 2w + 2w + w + w

72 = 6w

12 = w

 

width = 12 feet

length = 2 * w = 24 feet

hectictar  Mar 24, 2017

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