Q: How much is 80 minus 28? A: 
Q: How much is 77 minus 74? A: 
Q: How much is 89 minus 28? A: 
Q: How much is 80 minus 20? A: 
Q: How much is 40 minus 28? A: 
Q: How much is 80 minus 28? A: 
Q: How much is 88 minus 26? A: 
Q: How much is 80 minus 28? A: 