SOLUTION: A rectangle and a square have the same area. If the length of the side of the square is 7 units and the length of rectangle is 6 more than its width. Find the width of rectangle.

Algebra ->  Rectangles -> SOLUTION: A rectangle and a square have the same area. If the length of the side of the square is 7 units and the length of rectangle is 6 more than its width. Find the width of rectangle.       Log On


   

Question 1120940: A rectangle and a square have the same area. If the length of the side of the square is 7 units and the length of rectangle is 6 more than its width. Find the width of rectangle.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
w, width of rectangle
w+6, length of rectangle
7, side length of the square

The areas are given to be equal.
w%28w%2B6%29=7%5E2
Solve for w.

highlight%28w=-3%2Bsqrt%2858%29%29