The difference between 98 and 50 is: 
The difference between 90 and 72 is: 
The difference between 96 and 50 is: 
The difference between 98 and 54 is: 
The difference between 88 and 50 is: 
The difference between 98 and 60 is: 
The difference between 104 and 56 is: 
The difference between 98 and 50 is: 