What is the first term in the arithmetic sequence whose common difference is - 2 3 negative fraction 2 over 3 and whose 35th term is 9?

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.