2) A new car has a value of $28,000 and depreciates by 15 % a year. a) Write a formula that models this situation.
b) What will be the value in 3 years?
c) How many years will it take to have a value less than $10,000?

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.