Question 783362
Width = x
Length = 2x - 2
Perimeter = 2*length + 2*width
56 = 2*x + 2*(2x - 2)
56 = 2x + 4x - 4
6x = 56 + 4
6x = 60
x = 10ft
Width = 10ft
Length = 18ft
Hope this helps.
:-)