SOLUTION: The area of a rectangle is 70 square meters. The length is 4 meters less than twice the width. What is the length?
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Question 441318: The area of a rectangle is 70 square meters. The length is 4 meters less than twice the width. What is the length?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
w(2w-4)=70
2w2-4w-70=0
w2-2w-35=0
(w-7)(w+5)=0
w=7 or -5
Throwing out the negative answer, we get the width to be 7 meters, and the length to be 10 meters..
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