You are in Europe and need a prescription for your child who

You are in Europe and need a prescription for your child who weighs 55 lb. The medicine you get says to administer 5 mg/kg. How much would you give your child? Use the correct number of significant digits in your answer.

Solution

Mass of child in kg = 55 x 0.454 = 24.9476 kg

dose weight = 24.9746 kg x (5 mg / kg) = 124.873 mg