Malia is placing a barrier around the edge of a circular path with a diameter of 13 meters. the barriers are in lengths of 2.5 meters. what is the best approximation of how many pieces of barrier malia will need? use 3.14 to approximate for ? .

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.