The difference between 20 and 16 is: 
The difference between 94 and 50 is: 
The difference between 28 and 16 is: 
The difference between 20 and 10 is: 
The difference between 80 and 16 is: 
The difference between 20 and 16 is: 
The difference between 27 and 13 is: 
The difference between 20 and 16 is: 