<PRE><B>Question 1115552</B>
The area of a rectangular wall of a barn is 80 square feet. Its length is 12 feet longer than twice its width? What are the dimensions?
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Width = W
Length = 2W+12
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Equation::
W(2W+12) = 80
2W^2 + 12W - 80 = 0
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W^2 + 6W - 40 = 0
(W+10)(W-4) = 0
Positive solution::
Width = 4 ft
Length = 2*4+12 = 20 ft
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Cheers,
Stan H.
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