Q: What is 85 minus 23? A: 
Q: What is 87 minus 10? A: 
Q: What is 89 minus 23? A: 
Q: What is 85 minus 21? A: 
Q: What is 85 minus 23? A: 
Q: What is 85 minus 33? A: 
Q: What is 91 minus 29? A: 
Q: What is 85 minus 23? A: 