SOLUTION: The width of a rectangle is one-fifth of its perimeter. If the length of the rectangle is 15 inches, what is its width in inches.
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Question 1036117: The width of a rectangle is one-fifth of its perimeter. If the length of the rectangle is 15 inches, what is its width in inches.
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
P=2W+2L
P-2L=2W
P/2-L=W
P/2-L=1/5P
5P-10L=2P
3P=10L
L is given as 15 inches, so;
3P=150
P=50
W=1/5P=10 inches!!!!!!!!!!
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