Q: How much is 85 minus 12? A: 
Q: How much is 90 minus 89? A: 
Q: How much is 89 minus 12? A: 
Q: How much is 85 minus 13? A: 
Q: How much is 95 minus 12? A: 
Q: How much is 85 minus 22? A: 
Q: How much is 90 minus 17? A: 
Q: How much is 85 minus 12? A: 