Nicholas is buying shirts for his baseball team. He will pay $9.50 for each shirt plus a
one-time fee of $22.50 for the design. Which equation can be used to find y, the total cost to buy x shirts?

A. y = 9.5x + 22.5

B. y = 22.5x + 9.5

C. y = 9.5x - 22.5

D. y = 22.5x - 9.5