Q: What is 79 minus 10? A: 
Q: What is 68 minus 42? A: 
Q: What is 73 minus 10? A: 
Q: What is 79 minus 10? A: 
Q: What is 69 minus 10? A: 
Q: What is 79 minus 50? A: 
Q: What is 84 minus 15? A: 
Q: What is 79 minus 10? A: 