Q: What is the result of 89 minus 47? A: 
Q: What is the result of 25 minus 23? A: 
Q: What is the result of 88 minus 47? A: 
Q: What is the result of 89 minus 48? A: 
Q: What is the result of 69 minus 47? A: 
Q: What is the result of 89 minus 77? A: 
Q: What is the result of 90 minus 48? A: 
Q: What is the result of 89 minus 47? A: 