What are 2 numbers added to get -18 and if you multiply those same numbers you'll get 72

The product of two negative rational numbers is always zero sometimes zero never zero

How do i do this? i don’t understand

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.