Q: How much is 88 minus 70? A: 
Q: How much is 94 minus 72? A: 
Q: How much is 87 minus 70? A: 
Q: How much is 88 minus 70? A: 
Q: How much is 88 minus 70? A: 
Q: How much is 88 minus 70? A: 
Q: How much is 91 minus 73? A: 
Q: How much is 88 minus 70? A: 