SOLUTION: The perimeter of a rectangle is 30 inches. its length is twice its width. find the dimension of the recangle.

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Question 929938: The perimeter of a rectangle is 30 inches. its length is twice its width. find the dimension of the recangle.
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
L = 2w
2L + 2w = 30
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2L + 2w = 30
2*2w + 2w = 30
4w + 2w = 30
6w = 30
w = 5
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L = 2w
L = 2*5
L = 10
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answer:
L = 10 inches
w = 5 inches
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