Q: How much is 61 minus 50? A: 
Q: How much is 58 minus 54? A: 
Q: How much is 65 minus 50? A: 
Q: How much is 61 minus 50? A: 
Q: How much is 81 minus 50? A: 
Q: How much is 61 minus 30? A: 
Q: How much is 70 minus 59? A: 
Q: How much is 61 minus 50? A: 