SOLUTION: Perimeter of a rectangle is 180 ft. the width is 1/2 of the length what is the length?

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Question 311555: Perimeter of a rectangle is 180 ft. the width is 1/2 of the length what is the length?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
W=L/2
P=2L+2W
180=2L+2*L/2
180=2L+L
3L=180
L=180/3
L=60 ANS.
W=60/2=30 ANS.
PROOF:
180=2*60+2*30
180=120+60
180=180