SOLUTION: The area of a rectangle is 12 square inches. The length is 5 more than twice the width. Find the length and the width.

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Question 863385: The area of a rectangle is 12 square inches. The length is 5 more than twice the width. Find the length and the width.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

L = (2w+5) 

A = Lw = (2w+5)w = 12in^2

         2w^2 + 5w - 12 = 0

         (2w -3)(x+4) = 0   (Tossing out the negative solution for unit measure)

           w = 1.5in  and L = 8in  2%281.5%29+%2B+5