Marco measured the height of his snowman at the beginning of the week and again after five days. The change in height was -10 inches. How much did the snowman shrink per day?

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.