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This question: 1point(s) possibleThe recommended dosage of a drug for pediatric patients is 200 mg per kilogram of a patient's weight. If John weighs 80 lb, how much of the drug should he receive?Use the fact that 1 lb =0.45 kgJohn should receive about milligrams of the drug.(Round to the nearest milligram as needed.)

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SOLUTION:

Case: Proportions

Method:

The recommended dosage of a drug for pediatric patients is 200 mg per kilogram

We calculate John's weight in kg

Since

[tex]\begin{gathered} 1lb\equiv0.45kg \\ 80lb=80\times0.45 \\ =36kg \end{gathered}[/tex]

Next, the drug should he receive

[tex]\begin{gathered} 200mg\text{ }per\text{ }kg \\ \therefore36kg\rightarrow36\times200 \\ =7200mg \end{gathered}[/tex]

Final an

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