Tickets to a baseball game costs $6 for students and $12 for adults. For the opening game of the season the school made $1,500 and sold 150 tickets. How many student and adult tickets were sold for the opening game?
a) students = 50, adults = 100
b) students = 75, adults = 75
c) students = 100, adults = 50
d) students = 113, adults = 37