Q: What is the result of 90 minus 30? A: 
Q: What is the result of 67 minus 64? A: 
Q: What is the result of 95 minus 30? A: 
Q: What is the result of 90 minus 30? A: 
Q: What is the result of 90 minus 30? A: 
Q: What is the result of 90 minus 10? A: 
Q: What is the result of 90 minus 31? A: 
Q: What is the result of 90 minus 30? A: 