The difference between 85 and 72 is: 
The difference between 51 and 12 is: 
The difference between 87 and 72 is: 
The difference between 85 and 73 is: 
The difference between 85 and 72 is: 
The difference between 85 and 42 is: 
The difference between 92 and 79 is: 
The difference between 85 and 72 is: 