Math
posted by Scarlett .
Suppose you have 36 yards of fencing to build a fence around a rectangular backyard garden. The width is 18 yards less than twice the length. Find the length and width of this garden.

l = length
w = width = 2l  18
P = 2l + 2w
36 = 2l + 2(2l  18)
Can you solve from here?