SOLUTION: The width of a rectangle picture is one-half the length. The perimeter of the rectangle is 72 inches. Find the length of the picture

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Question 135078: The width of a rectangle picture is one-half the length. The perimeter of the rectangle is 72 inches. Find the length of the picture
Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
W=L/2
2L+2(L/2)=72
2L+(2L/2)=72
2L+2L/2=72
(4L+2L)/2=72
6L/2=72
6L=2*72
6L=144
L=144/6
L=24 ANSWER.
W=24/2
W=12 ANSWER.
PROOF:
2*24+2*12=72
48+24=72
72=72


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