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Math Help - word problem help

  1. #1
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    word problem help

    A prescription for nifedipine calls for 0.2 mg/kg of body weight, four times per day. The drug is packaged in capsules of 5 mg. How many capsules per dose should be given to a patient who weighs 75 kg?
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  2. #2
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    You can set the dose up as a ratio of "mg of nifedipine : kg of body weight"

    0.2 : 1

    0.2 \times 75 : 1 \times 75

    15 : 75.


    So each dose, he is going to need 15\,\textrm{mg} of nifedipine, or 3 capsules.
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