The length of a rectangle is 6m longer than its width. if the perimeter of the rectangle is 52m, find its area

If length is x, then width is 6+x 
Perimeter = 2*(x + 6+x) = 52 
2*6 + 2*2x = 52 
4x = 52 - 12 = 40 
x = 40/4 = 10 

Area = length*width = 10*(6+10) 
Area = 10*16 = 160 meter square