The difference between 85 and 28 is: 
The difference between 47 and 40 is: 
The difference between 89 and 28 is: 
The difference between 85 and 20 is: 
The difference between 55 and 28 is: 
The difference between 85 and 28 is: 
The difference between 87 and 20 is: 
The difference between 85 and 28 is: 