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 it's due