The length of a rectangle is 3 m longer than its width. If the perimeter of the rectangle is 36 m, find its length and width.
Group of answer choices

width = 7.5 m, length = 10.5 m

width = 16.5 m, length = 13.5 m

width = 16.5 m, length = 19.5 m

width = 7.5 m, length = 4.5 m