The difference between 85 and 73 is: 
The difference between 59 and 40 is: 
The difference between 85 and 73 is: 
The difference between 85 and 72 is: 
The difference between 85 and 73 is: 
The difference between 85 and 43 is: 
The difference between 91 and 79 is: 
The difference between 85 and 73 is: 