How many ounces of pure chocolate must be added to 12 ounces of chocolate syrup that is 30% chocolate to make a syrup that is 70% chocolate? A. 28
B.6
C.16
D.12

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.

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

Mrs.sling bought a pound of green beans for $1.80. how much will mrs.tennison pay for 3 1/2 pounds of green beans?