You have $45 in your piggy bank each week you put in another $12 from your allowance write an equation that shows the number of weeks W it will take to have $105 in your piggy bank

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.