Q: What is the result of 28 minus 18? A: 
Q: What is the result of 76 minus 40? A: 
Q: What is the result of 29 minus 18? A: 
Q: What is the result of 28 minus 13? A: 
Q: What is the result of 48 minus 18? A: 
Q: What is the result of 28 minus 18? A: 
Q: What is the result of 23 minus 17? A: 
Q: What is the result of 28 minus 18? A: 