What does this expression represent? 12f + 24 a. twelve times the difference of a number and twenty four b. twelve times the sum of a number plus 24 c.24 more than 12 times a number d.24 more than 12 plus a number

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.