Find the base. Write your answer in your notebook.
1.50 is 8% of what number?
2.20% of what number is 50?
3.12 is 4% of what number?
4.80% of what number is 5
5.7 is 70% 9f what number?
6.6 is 75% of what number?
7.8 is 80% is what number?
8.2.5 is 9% of what number?
9.75% of what is number is 1/2?
10.49 is 87.5% of what number?​