Answer:
The width = 8 meters
The length = 12 meters
Step-by-step explanation:
The Perimeter of the rectangle is 40 meters.
Width is 4 meters less than the length or x - 4
40 = 2(x-4) + 2x
40 = 2x - 8 + 2x
40 = 4x - 8
48 = 4x
12 = x
Width = 12 - 4 = 8
