Please help ! i dont understand this

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Find percent notation for 0.008 0.008=

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.