Q: What is 80 minus 45? A: 
Q: What is 37 minus 27? A: 
Q: What is 87 minus 45? A: 
Q: What is 80 minus 40? A: 
Q: What is 70 minus 45? A: 
Q: What is 80 minus 75? A: 
Q: What is 86 minus 41? A: 
Q: What is 80 minus 45? A: 