One less than four times the width of a rectangle is the length of the rectangle. If the perimeter is 18 what is the length and the width of the rectangle

Question

Math word problem for perimeter 

Answer 1

If w-width, l-length, then 4w-1=l and perimeter, p=18=2(w+l) -->w+l=9. So

w+l=9

4w-l=1

 

w=2

l=7