SOLUTION: If the perimetre of a rectangle is 720m, and the length is twice of width, what is the area?

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Question 421680: If the perimetre of a rectangle is 720m, and the length is twice of width, what is the area?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
720=2w+2(2w)
720=6w
w=120
2w=240
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A=LW
A=240*120
A=28,800 sq m