The difference between 80 and 42 is: 
The difference between 64 and 62 is: 
The difference between 85 and 42 is: 
The difference between 80 and 40 is: 
The difference between 70 and 42 is: 
The difference between 80 and 42 is: 
The difference between 89 and 41 is: 
The difference between 80 and 42 is: 