Citrus fruit Number per carton
Grapefruits
18
Oranges
24
Tangelos
12

Bob sells Tangelo gift cartons each December. Last year, they shipped a total of 3,300 tangelos. If each carton sells for $28, how much money did Bob’s earn from the tangelo gift cartons sold?

13. A score is a group of 20 things. For example, a period of 20 years is called a score of years. The Statue of Liberty was dedicated in 1886. About how many score years ago was that?

14. At an automobile plant, each car is inspected by 34 different workers before it’s shipped to a dealer. One day, workers performed 9,690 inspections. How many cars were shipped? Explain your reasoning.