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25 January, 13:08

A certain drug dosage calls for 460 mg per kg per day and is divided into four doses (1 every 6 hours). If a person weighs 229 pounds, how many milligrams of the drug should he receive every 6 hours?

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  1. 25 January, 13:47
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    11.95 g / 6 hours

    Step-by-step explanation:

    drug dosage = 460 mg per kg per day

    to be administered every 6 hours to a person who weighs 229 pounds

    1 pound = 0.453592 kg

    229 pounds = 229 * 1 pound = 229 * 0.453592 kg = 103.873 kg

    dosage of drug needed for 103.873 kg

    460 mg is to 1 kg per day

    103.873 kg = 103.873 * 460 mg per 1 kg per day = 47781.58 mg per 103.873 kg per day

    number of 6 hours in a day = 24 hours : 6 hours = 4 times per day

    dosage needed per 6 hours

    47781.58 : 4 = 11945.395 mg for every 6 hours = 11.95 g / 6 hours
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