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31 January, 15:30

The half-life of caffeine in a person's bloodstream is about 6 hours. If a person's bloodstream contains 110 milligrams of caffeine, how much of that caffeine will remain after 14 hours?

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  1. 31 January, 16:53
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    21.8 mg

    Explanation:

    X = 110[½^ (t/6) ]

    X = 110[½^ (14/6) ]

    X = 21.82676446

    X = 21.8
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