SOLUTION: the length of a rectangle is 4 inches more than it's width. the area of the rectangle is 60 square inches. find the dimensions of the rectangle

Question 864699: the length of a rectangle is 4 inches more than it's width. the area of the rectangle is 60 square inches. find the dimensions of the rectangle
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,



A = Lw = (w+4)w = 60in^2

       w^2 + 4w - 60 = 0

       (w + 10)(w-6) = 0    (Tossing out the negative solution for unit measure)

                w = 6in  and L = 10in   

and..checking

 (6in)(10in) = 60in^2 

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