SOLUTION: The area of a rectangle is 55 yd2, and the length of the rectangle is 4 yd less than three times the width. Find the dimensions of the rectangle.

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Question 905949: The area of a rectangle is 55 yd2, and the length of the rectangle is 4 yd less than three times the width. Find the dimensions of the rectangle.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

 

Hi,

     .

A = (3w-4)w = 55yd^2

3w^2 -4w - 55 = 0

(3w +11)(w -5) =0

w = 5yd  and L = 11yd 3%2A5-4

and..checking

A = 55yd^2