An English class attended a performance at the theater. The class took 25 students and 3 adults. Each student ticket, s, cost $3 less than an adult ticket. Which function could be used to determine the total cost, t, for the English class to attend the performance?

A) t = 28s + 9

B) t = 28s + 84

C) t = 28s – 3

D) t = 28s – 9
I need this answer please.