Tickets for a movie cost $8 for evenings and $5 for matinees. They sold 440 tickets sold and collected $3130 in ticket sales.
Determine which system(s) you could use to calculate the number of matinee tickets sold.

a. x + y = 3130
5x + 8y = 440

b. x + y = 440
5x + 8y = 3130

c. x + y = 3130
8x + 5y = 440

d. x + y = 440
8x + 5y = 3130​