Answer:
Width = 10.2 inches
Length = 37.8 inches
Step-by-step explanation:
Let's look at it this way:
length = l
width = w
2l + 2w = 96
l = 4w - 3
substitute.
2(4w - 3) + 2w = 96
Solve for w.
8w - 6 + 2w = 96
10w = 102
w = 10.2
10.2 * 4 = 40.8
40.8 - 3 = 37.8
l = 37.8