Q: How much is 71 minus 24? A: 
Q: How much is 67 minus 60? A: 
Q: How much is 79 minus 24? A: 
Q: How much is 71 minus 20? A: 
Q: How much is 41 minus 24? A: 
Q: How much is 71 minus 14? A: 
Q: How much is 79 minus 22? A: 
Q: How much is 71 minus 24? A: 