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To control an infection, a doctor recommends that a patient who weighs 92 pounds be given 320 milligrams of antibiotic. If the antibiotic is given proportionally according to the patient's weight, how much antibiotic should be given to a patient who weighs 138 pounds?

Respuesta :

Fullhord22
the answer is 480 milligrams
jkonufe
To be able to get down to a ratio to then find out the solution, we have to divide 320 by 92.

320/92=3.47

Now we have a ratio of 3.47:1
Multiply 3.47 by 138.

3.47×138=478.86

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