The difference between 60 and 50 is: 
The difference between 54 and 28 is: 
The difference between 63 and 50 is: 
The difference between 60 and 50 is: 
The difference between 70 and 50 is: 
The difference between 60 and 50 is: 
The difference between 65 and 57 is: 
The difference between 60 and 50 is: 