Answer :
Step-by-step explanation:
the fence = the perimeter of the rectangle = 200 ft.
and the perimeter of a rectangle is
perimeter = 2×length + 2×width
length = width + 2
so,
200 = 2×(width + 2) + 2×width = 2×width + 4 + 2×width
196 = 4×width
width = 196/4 = 49 ft