The difference between 29 and 29 is: 
The difference between 55 and 50 is: 
The difference between 29 and 29 is: 
The difference between 29 and 28 is: 
The difference between 99 and 29 is: 
The difference between 29 and 19 is: 
The difference between 22 and 24 is: 
The difference between 29 and 29 is: 