The difference between 90 and 20 is: 
The difference between 60 and 56 is: 
The difference between 95 and 20 is: 
The difference between 90 and 20 is: 
The difference between 70 and 20 is: 
The difference between 90 and 10 is: 
The difference between 96 and 28 is: 
The difference between 90 and 20 is: 