SOLUTION: The length of a rectangular poster is 2 times its width . The area of the poster is 648 square inches. Find the dimensions of the poster.

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Question 813501: The length of a rectangular poster is 2 times its width . The area of the poster is 648 square inches. Find the dimensions of the poster.
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
L = 2w
Lw = 648
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Lw = 648
2ww = 648
ww = 324
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w = 18
L = 36
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