II. Find the base. Write your answer on the blank.
8.50 is 8% of what number?
9. 20% of what number is 15?
10. 12 is 4% of what number?
11. 80% of what number is 5?
12.7 is 70% of what number?
13.6 is 75% of what number?
14.8 is 20% of what number?​