The Secret Life of Dynamic Dan, a new superhero movie, is being released in theaters this weekend! Showtime Cinema will sell matinee tickets to the movie for $6.00 each and evening tickets for $12.50 each. The theater's goal is to earn at least $7,500 in total from tickets to the movie.

Which inequality represents how many matinee tickets, x, and evening tickets, y, the theater can sell to reach its goal?

a. 6x + 12.5y ≤ 7,500
b. 12.5x + 6y ≤ 7,500
c. 12.5x + 6y ≥ 7,500
d. 6x + 12.5y ≥ 7,500
e. 6x + 12.5y > 7,500
f. 12.5x + 6y < 7,500

d. 6x + 12.5y ≥ 7,500