Laura cuts 64 inches of ribbon into two parts and give her mom one part. laura's part is 28 inches long. her mom cuts her ribbon into 6 equal pieces. how long is one of her mom pieces of ribbon?

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.