Help me plz

The solution set for 5v2 – 125 = 0 is

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

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.