Question

The length of a rectangle is 6 yd longer than its width. if the perimeter of the rectangle is 48 yd , find its area.

Answer 1

w = 9 
Sub w = 9 back in to either equation 
l = 9 + 6 
l = 15 
The dimensions are 15x9. 
The area then is 15*9 = 135 yd^2