Tiyane makes a scale drawing of the parallelogram. The longer side of the parallelogram is 22.5 inches in her drawing. What is the length of the parallelogram's shorter side in Tiyane's scale drawing?

parallelogram base: 9 inches
parallelogram height: 3 inches

a. 60 inches
b. 7.5 inches
c. 0.4 inches
d. 2.5 inches