Q: What is the result of 79 minus 68? A: 
Q: What is the result of 97 minus 40? A: 
Q: What is the result of 79 minus 68? A: 
Q: What is the result of 79 minus 63? A: 
Q: What is the result of 99 minus 68? A: 
Q: What is the result of 79 minus 58? A: 
Q: What is the result of 80 minus 69? A: 
Q: What is the result of 79 minus 68? A: 