Q: How much is 90 minus 40? A: 
Q: How much is 61 minus 36? A: 
Q: How much is 95 minus 40? A: 
Q: How much is 90 minus 40? A: 
Q: How much is 50 minus 40? A: 
Q: How much is 90 minus 60? A: 
Q: How much is 96 minus 47? A: 
Q: How much is 90 minus 40? A: 