The difference between 42 and 17 is: 
The difference between 54 and 28 is: 
The difference between 48 and 17 is: 
The difference between 42 and 10 is: 
The difference between 42 and 17 is: 
The difference between 42 and 17 is: 
The difference between 48 and 13 is: 
The difference between 42 and 17 is: 