1. 100%=1 and 1%=1/100
Answer: 108/100 (can simplify to 27/25) or
1 8/100 (can simplify to 1 2/25)
2. let x be the missing number
2=0.04x (divide each side by 0.04)
x=50
Answer: 2 is 4% of 50
3. let x be the missing number
30=1.25x (divide each side by 1.25)
x=24
Answer: 30 is 125% of 24