Question: Mark has a really bad headache. He takes 2 Tylenol tablets of 500 mg each and he does every 4 hours for 12 hours. How many grams of Tylenol does he end up taking? Think carefully first, then make a decision:
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He takes 12 / 4 = 3 doses. Each dose is 500 * 2 = 1000 mg. So he takes 3 * 1000 = 3000 mg. So he takes 3000 / 1000 = 3 grams of Tylenol. So the answer is 3.
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