Answer:
Width = 4.8 inches
Explanation:
The formula for finding the perimeter for a rectangle is:
P = 2L + 2W
Knowing this, we can input the length and the perimeter and solve for W.
(16.8) = 2(3.6) + 2W
16.8 = 7.2 + 2W
9.6 = 2W
W = 4.8 inches
~Hope this Helps!~