The difference between 65 and 30 is: 
The difference between 74 and 55 is: 
The difference between 68 and 30 is: 
The difference between 65 and 31 is: 
The difference between 65 and 30 is: 
The difference between 65 and 50 is: 
The difference between 72 and 37 is: 
The difference between 65 and 30 is: 