Q: What is 85 minus 24? A: 
Q: What is 21 minus 19? A: 
Q: What is 86 minus 24? A: 
Q: What is 85 minus 21? A: 
Q: What is 35 minus 24? A: 
Q: What is 85 minus 64? A: 
Q: What is 90 minus 29? A: 
Q: What is 85 minus 24? A: 