Q: What is 91 minus 70? A: 
Q: What is 96 minus 52? A: 
Q: What is 92 minus 70? A: 
Q: What is 91 minus 70? A: 
Q: What is 91 minus 70? A: 
Q: What is 91 minus 10? A: 
Q: What is 100 minus 79? A: 
Q: What is 91 minus 70? A: 