You are given a math word problem and you are supposed to apply division mathematical operator on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Q: Context: Debby bought 153 water bottles when they were on sale. She drank the same number of bottles each day. If the bottles lasted for 17 days 

 Question: How many bottles did she drink each day?

A: 9
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Q: Context: Debby bought 95 soda bottles and 180 water bottles when they were on sale. If she drank 15 water bottles and 54 soda bottles a day 

 Question: How many days would the water bottles last?

A: 12
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Q: Context: Edward spent $ 6 to buy 2 books each book costing him the same amount of money. Now he has $ 12. 

 Question: How much did each book cost?

A:
3
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