The difference between 90 and 55 is: 
The difference between 58 and 13 is: 
The difference between 96 and 55 is: 
The difference between 90 and 50 is: 
The difference between 80 and 55 is: 
The difference between 90 and 15 is: 
The difference between 96 and 51 is: 
The difference between 90 and 55 is: 