James has 18 chocolate bars to sell for the swim team. He sold 5 last week and 7 this week. How many more chocolate bars does he need to sell? Think carefully first, then make a decision:
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He has sold a total of 5 + 7 = 12 chocolate bars so far. James needs to sell 18 - 12 = 6 more chocolate bars. So, the answer is 6.
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