The table below shows the cost for different numbers of tickets purchased with no discount. on fridays, all tickets are discounted by $2. how much will 9 tickets cost on friday?

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.