Q: What is 91 minus 22? A: 
Q: What is 97 minus 60? A: 
Q: What is 93 minus 22? A: 
Q: What is 91 minus 20? A: 
Q: What is 61 minus 22? A: 
Q: What is 91 minus 72? A: 
Q: What is 99 minus 20? A: 
Q: What is 91 minus 22? A: 