A. Find the percentage. ( P = B x R )

1. 10% of 100
2. 50% of 80
3. 15% of 140
4. 30% of 50

B. Find the rate. ( R = P / B )

5. What percent of 50 is 9? ______
6. What percent of 8 is 4? _______
7. What percent of 250 is 100? ______

C. Find the base. ( B = P / R )

8. 4 is 10% of n ____
9. 10% of n = 5 _____
10. 30% of n = 9​