31-10-2018
Mathematics

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Rectangle poster is 3 times as long as wide perimeter is 24 in

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wegnerkolmp2741o wegnerkolmp2741o

31-10-2018

w= width

l = 3w

P = 2(l+w)

substitute

24 = 2(3w+w)

24 = 2(4w)

24 =8w

3 =w

The width is 3 inches

the length is 9 inches

Answer Link

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