Q: How much is 85 minus 28? A: 
Q: How much is 95 minus 31? A: 
Q: How much is 89 minus 28? A: 
Q: How much is 85 minus 21? A: 
Q: How much is 65 minus 28? A: 
Q: How much is 85 minus 58? A: 
Q: How much is 88 minus 21? A: 
Q: How much is 85 minus 28? A: 