The box office sold 360 tickets to a concert at the college. the total receipts were $4,170. general admission tickets cost $15, and student tickets cost $10. how many of each kind of ticket were sold?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.