Q: What is 73 minus 49? A: 
Q: What is 90 minus 10? A: 
Q: What is 79 minus 49? A: 
Q: What is 73 minus 40? A: 
Q: What is 93 minus 49? A: 
Q: What is 73 minus 59? A: 
Q: What is 75 minus 41? A: 
Q: What is 73 minus 49? A: 