desirjeanpierre desirjeanpierre

20-02-2017
Mathematics

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A rectangular shaped picture frame has a perimeter of 360 inches...The length of the picture frame is five times its width.Find the dimensions of the picture frame.......

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texaschic101 texaschic101

20-02-2017

P = 2(L + W)
P = 360
L = 5W

360 = 2(5W + W)
360 = 2(6W)
360 = 12W
360/12 = W
30 = W <=== width

L = 5W
L = 5(30)
L = 150 <=== length

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skinnygirlm skinnygirlm

20-02-2017

P = 2(L + W)P = 360L = 5W360 = 2(5W + W)360 = 2(6W)360 = 12W360/12 = W30 = W <= widthL = 5WL = 5(30)L = 150 <= length

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