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12 September, 11:02

A certain medicine is given in an amount proportion to a patient's body weight. Suppose a patient weighing 132 pounds requires 143 milligrams of medicine. What is the amount of medicine required by a patient weighing 156 pounds?

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Answers (2)
  1. 12 September, 12:52
    0
    169 mg

    Step-by-step explanation:

    The ratio of medicine quantity to body weight is the same for both patients, so ...

    amount / (156 lb) = (143 mg) / (132 lb)

    Multiply by 156 lb:

    amount = (143 mg) (156/132) = 169 mg

    The patient requires 169 mg of medicine.
  2. 12 September, 14:52
    0
    160 milligrams ...
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