

1. 
Express 31 per hundred as a percent. 


A. 
31 
B. 
31% 


C. 
0.31% 
D. 
31% 


Hint 


2. 
Which of the following is not an example of a ratio? 


A. 

B. 
1:33 


C. 

D. 
8 to 10 


Hint 


3. 
Express as a percent. 


A. 
68.73% 
B. 
6.87% 


C. 
0.69% 
D. 
687.30% 


Hint 


4. 
Express 82 out of 100 as a percent. 


A. 
0.83% 
B. 
82% 


C. 
0.83% 
D. 
82% 


Hint 


5. 
Of all Americans who use a mobile phone, approximately 1 in 5 subscribe to the wireless Internet. What percent of mobile phone users is this? 


A. 
40% 
B. 
15% 


C. 
20% 
D. 
10% 


Hint 


