Answer: Width = 26, Length = 22
Explanation:
p = 2L + 2W
W = L + 4
96= 2L + 2W
96 = 2L + 2(L+4)
96 = 2L + 2L + 8
96 = 4L + 8
96 - 8 = 4L
88 = 4L
L =

L = 22
now to find the width, you plug it back into the W = L + 4 equation
width:
W = L + 4
W= 22 + 4
W=26