SOLUTION: A rectangle has a length that is twice as long as its width and a perimeter of 36. What is its area?

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Question 465053: A rectangle has a length that is twice as long as its width and a perimeter of 36. What is its area?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
l=2w
4w+2w=36
6w=36
w=6
l=12
12x6=72 sq. inches..