Q: How much is 70 minus 35? A: 
Q: How much is 42 minus 31? A: 
Q: How much is 78 minus 35? A: 
Q: How much is 70 minus 30? A: 
Q: How much is 40 minus 35? A: 
Q: How much is 70 minus 35? A: 
Q: How much is 76 minus 31? A: 
Q: How much is 70 minus 35? A: 