Reed is purchasing an X-Box One. He made an initial payment of $75 to the store, and will pay $15 each month until the system is paid off. Which equation represents the relationship between x, the number of monthly payments Reed has paid, and t, the total amount that Reed has paid the store?

A. t = 75x + 15 C. t = 15x + 75

B. t = 15x - 75 D. Not Here