SOLUTION: . The length of a rectangular room is 7 feet longer than its width. The area of the room is 60 feet. What are the dimensions of the room?
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Question 242159: . The length of a rectangular room is 7 feet longer than its width. The area of the room is 60 feet. What are the dimensions of the room? Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! L=W+7
LW=60
(W+7)W=60
W^2+7W-60=0
(W+12)(W-5)=0
W-5=0
W=5 ANS.
L=5+7=12 ANS.
PROOF:
5*12=60
60=60
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