SOLUTION: A doctor needs to prescribe a certain medicine for her patient. The amount of medicine prescribed per day is based on the weight of the patient at a ratio of three milligrams per t

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Question 937837: A doctor needs to prescribe a certain medicine for her patient. The amount of medicine prescribed per day is based on the weight of the patient at a ratio of three milligrams per two pounds of bodyweight. If the patient weighs 150 pounds, how much medication should the doctor prescribe per day? Solve using proportions.
Found 2 solutions by stanbon, josmiceli:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A doctor needs to prescribe a certain medicine for her patient. The amount of medicine prescribed per day is based on the weight of the patient at a ratio of three milligrams per two pounds of bodyweight. If the patient weighs 150 pounds, how much medication should the doctor prescribe per day? Solve using proportions.
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dosage/lbs = dosage/lbs
x/150 = 3 mg/2 lb
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x = 150(3/2) = 275 mg
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Cheers,
Stan H.
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Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+3%2F2+=+x%2F150+
Note that this is:
( mg ) / ( pounds ) = ( mg ) / ( pounds )
Multiply both sides by +150+
+3%2A75+=+x+
+x+=+225+
225 mg should be prescribed