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3 votes
A rectangle 7 feet longer than it is wide find the dimensions of the rectangle if its area is one 198 sq ft.

User Cechner
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1 Answer

5 votes
w=width l=length
l=w+7

w(w+7)=198
w^2+7w-198=0
(w-11)(w+18)=0
w=11 or -18

w=11 and l=18
User Daniel Gerber
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