The difference between 75 and 28 is: 
The difference between 56 and 24 is: 
The difference between 79 and 28 is: 
The difference between 75 and 24 is: 
The difference between 85 and 28 is: 
The difference between 75 and 38 is: 
The difference between 77 and 20 is: 
The difference between 75 and 28 is: 