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Posted by Sean on Sunday, July 3, 2011 at 3:03pm.
The length of a rectangle is three more than twice its width. The area is 65 m^2. What is its width?
w (2w+3) = 65 2 w^2 + 3 w -65 = 0 w = 20/4 or -26/4 so w = 5 check 5 (10+3) = 65 yes
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