Use proportions

What number is 25% of20

30 is 60% of what number

What number is 20% of 700

What percent of 50 is 30

40% of what number is 4

12 is what percent of 25

39 is 5% of what number

38 is 19% of what number

6 is 20% of what number

21 is 30% of what number

45 is 25% is what number

8 is 25% of what number

Show work please it's due