Q: What is 70 minus 59? A: 
Q: What is 91 minus 34? A: 
Q: What is 79 minus 59? A: 
Q: What is 70 minus 50? A: 
Q: What is 90 minus 59? A: 
Q: What is 70 minus 69? A: 
Q: What is 78 minus 57? A: 
Q: What is 70 minus 59? A: 