Q: What is the result of 64 minus 55? A: 
Q: What is the result of 98 minus 10? A: 
Q: What is the result of 67 minus 55? A: 
Q: What is the result of 64 minus 51? A: 
Q: What is the result of 64 minus 55? A: 
Q: What is the result of 64 minus 35? A: 
Q: What is the result of 69 minus 50? A: 
Q: What is the result of 64 minus 55? A: 