Question 157226
    A person took around 40 acetaminophen tablets a few minutes ago. If you know that 2 tablets contain 160 milligrams how many miligrams were swallowed?
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The above problem states that each "pair" (2) is 160 milligrams.
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Determine how many pairs there are in 40:
40/2 = 20 pairs
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So,
20 * 160 = 3200 milligrams were swallowed