Q: How much is 90 minus 53? A: 
Q: How much is 80 minus 19? A: 
Q: How much is 99 minus 53? A: 
Q: How much is 90 minus 50? A: 
Q: How much is 70 minus 53? A: 
Q: How much is 90 minus 33? A: 
Q: How much is 97 minus 50? A: 
Q: How much is 90 minus 53? A: 