Q: What is the result of 42 minus 28? A: 
Q: What is the result of 48 minus 14? A: 
Q: What is the result of 49 minus 28? A: 
Q: What is the result of 42 minus 20? A: 
Q: What is the result of 72 minus 28? A: 
Q: What is the result of 42 minus 18? A: 
Q: What is the result of 46 minus 22? A: 
Q: What is the result of 42 minus 28? A: 