SOLUTION: The length of a rectangle is 6ft longer than its width. If the perimeter of the rectangle is 40ft ,what is its area.

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Question 284348: The length of a rectangle is 6ft longer than its width.
If the perimeter of the rectangle is 40ft ,what is its area.

Answer by brucewill(101) About Me  (Show Source):
You can put this solution on YOUR website!
First, we need to compute the length of each side:
Let x = Width
Therefore x+6 = Length
2x+%2B+2%28x%2B6%29+=+40
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2x+%2B+2x+%2B+12+=+40
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4x+=+28
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x = 7 (width), therefore 13 is the length.
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Area is Width * Height: 7%2A13+=+highlight%2891%29