Aschool baseball team raised $810 for new uniforms. each player on the team sold one book of tickets. there were 10 tickets in a book and each ticket cost $3.what equation can you write and solve to find the cost of each book of tickets 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.