Q: What is 85 minus 28? A: 
Q: What is 94 minus 47? A: 
Q: What is 89 minus 28? A: 
Q: What is 85 minus 21? A: 
Q: What is 45 minus 28? A: 
Q: What is 85 minus 38? A: 
Q: What is 88 minus 21? A: 
Q: What is 85 minus 28? A: 