D. ! Find the base.
1) 50 is 8% of what number?
75
2) 20% of what number is 15
3) 12 is 4% of what number
625_4) 80% of what number is 5?
10 5) 7 is 70% of what number?
8 6) 6 is 75% of what number?
40 7) 8 is 20% is what number?
25 8) 2.25 is 9% of what number?
0.6 9) 75% of what number is 1/2?
56__10) 49 is 87.5% of what numbe​