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The dosage of a certain medicine is 0.05 mg/kg of weight. Tom weighs 185 lbs.

a) How many milligrams of the medicine should he take?

b) If the medicine costs $1.95/mg, what will his dosage cost?

Answer :

a) 4.2 milligrams of the medicine should he take.

b) If the medicine costs $1. 95/mg, then his dosage cost is $8.19

a) To calculate the dosage of a particular medicine, you need to know the weight of the patient and the dosage amount per kg of weight.1 pound = 0.453592 kg.

So Tom weighs 185 x 0.453592 = 83.91402 kg.

Multiply his weight by the dosage amount per kg to get the dosage amount for Tom:

83.91402 kg x 0.05 mg/kg = 4.1957 mg.

Round this to the nearest tenth of a milligram to get 4.2 mg. So, the answer is 4.2 mg.

b) The cost of the medicine per milligram is $1.95/mg, and the dosage amount for Tom is 4.2 mg.

So you can multiply the cost per milligram by the dosage amount to get the total cost:

= $1.95/mg x 4.2 mg

= $8.19.

So, the answer is $8.19.

To learn about the amount here:

https://brainly.com/question/25720319

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