SOLUTION: The perimeter of a rectangle is 420 inches. The width is 4 inches less than the length. What is the length of the rectangle?

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Question 47614: The perimeter of a rectangle is 420 inches. The width is 4 inches less than the length. What is the length of the rectangle?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
P=2L+2W OR 420=2L+2(L-4) OR 420=2L+2L-8 OR 420=4L-8 OR 428=4L OR L=428/4 OR L=107 & WIDTH IS 107-4=103
PROOF 2*107+2*103=420 OR 214+206=420 OR 420=420