SOLUTION: The perimeter of a rectangular building is 1200 feet. The length of the building is 2 meters less than three times its width. What are the dimensions of the building?

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Question 287508: The perimeter of a rectangular building is 1200 feet. The length of the building is 2 meters less than three times its width. What are the dimensions of the building?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
L=3W-2
2L+2W=P
2(3W-2)+2W=1,200
6W-4+2W=1,200
8W=1,200+4
8W=1,204
W=1,204/8
W=150.5 ANS.
L=3*150.5-2
L=451.5-2=449.5 ANS.
PROOF:
2*449.5+2*150.5=1,200
899+301=1,200
1,200=1,200