I. A. Find the percentage. 12. 20% of 75 is ____ 13. What is 35% of 80? _____

B. Find the rate.
14. 9 is what percent of 45? _____
15. What percent of 50 is 12? _____

C. Find the base.
16. 10 is 25% of what number? _____
17. 30% of what number is 15? _____