Answer:
L. W = 60. 30.
Step-by-step explanation:
Perimeter = 2L + 2W where W = width and L = the length, and L = 2W.
We have the following system:
2L + 2W = 180
L = 2W
Substituting L = 2W in the first equation we have:
2(2W) + 2W = 180
4W + 2W = 180
6W = 180
W = 180/6 = 30.
So L = 2*30 = 60.
