John goes to the store to buy Slurpees and gives them $20. Slurpees cost $2 each and he got $8 in change. How many Slurpees did he buy? Let's think first. Chain of thought:
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He spent 20 - 8 = $12 on Slurpees. So he got 12 / 2 = 6 Slurpees.
Therefore, the answer is 6.
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