SOLUTION: the length of a rectangle is 10 centimeters less than twice its width. The perimeter of the rectangle is 58 cm. what are the demensions of the rectangle?

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Question 677414: the length of a rectangle is 10 centimeters less than twice its width. The perimeter of the rectangle is 58 cm. what are the demensions of the rectangle?
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
l = 2w-10
p = 58 = 2l+2w
...
2(2w-10) + 2w = 58
4w - 20 + 2w = 58
...
6w - 20 = 58
6w = 58 + 20
6w = 78
highlight_green%28w+=+13%29
...
l = 2(13)-10 = 26-10 = highlight_green%28l=16%29
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