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24-04-2019
Mathematics

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Young's rule for determining the size of a child's medicine dosage is given by c=ad/a+12

Where a is the child's age and d is the usual adult dosage. The usual dosage of a medication is 240 mg. Find the dosage for a 12-year old child.

Respuesta :

24-04-2019

Answer: 120mg

Step-by-step explanation:

We just need to put in the variables.

c = what we want, we don't know this

a = 12 years

d = 240

c = (12 x 240)/(12 + 12) = 2880/24 = 120mg

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