

1. 
In the expression 18 is 20% of 90, 18 is the ____. 


A. 
rate 
B. 
base 


C. 
percentage 
D. 
percent proportion 


Hint 


2. 
What number is 34% of 65? 


A. 
22.1 
B. 
19.1 


C. 
52.3 
D. 
41.2 


Hint 


3. 
40 is what percent of 25? 


A. 
10 
B. 
62.5 


C. 
160 
D. 
16 


Hint 


4. 
72 is what percent of 90? 


A. 
80% 
B. 
5% 


C. 
40% 
D. 
20% 


Hint 


5. 
378 is 84% of what number? 


A. 
438.48 
B. 
450 


C. 
462 
D. 
317.52 


Hint 


