

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


A. 
percent proportion 
B. 
base 


C. 
rate 
D. 
percentage 


Hint 


2. 
40 is what percent of 25? 


A. 
10 
B. 
62.5 


C. 
160 
D. 
16 


Hint 


3. 
During a college football game 8,400 people showed their spirit by wearing the home team's colors. If 12,000 people attended the game, what percent of the crowd wore the same colors? 


A. 
70% 
B. 
65% 


C. 
80% 
D. 
75% 


Hint 


4. 
In the expression 18 is 20% of 90, 90 is the _____. 


A. 
base 
B. 
percentage 


C. 
percent proportion 
D. 
rate 


Hint 


5. 
72 is what percent of 90? 


A. 
5% 
B. 
20% 


C. 
40% 
D. 
80% 


Hint 


