Help me please this is urgent!

Can you answer my question? will mark brainiest!

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.

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?