Find The Base 50 Is 8% Of What Number? 20% Of What Number Is 15? 12 Is 4% Of What Numb…

Find the base
50 is 8% of what number?
20% of what number is 15?
12 is 4% of what number?
80% of what number is 5?
7 is 70% of what number?
60 is 75% of what number ?
8 is 20% is what number?
2.25 is 9% of what number ?
75% of what number is 1/2?
49 is 87.5% of what number
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Answer:

first question:625

second question:75

third question:300

4th question: 6.25

5th question: 10

6th question:80

7th question:40

8th question: 25

9th question:?

10th question:56