Q: How much is 97 minus 68? A: 
Q: How much is 64 minus 61? A: 
Q: How much is 99 minus 68? A: 
Q: How much is 97 minus 66? A: 
Q: How much is 87 minus 68? A: 
Q: How much is 97 minus 48? A: 
Q: How much is 99 minus 60? A: 
Q: How much is 97 minus 68? A: 