<prompt> Approximate dose of drug in a 3 years old child would be:-Same as an adult doseHalf of an adult doseOne-third of an adult doseOne-fouh of an adult dose  <response>: Approximate percentage of dose in children as compared to adult are Age of adult dose 1 year 25 3 years 33 5 years 40 7 years 50 9 years 60 12 years 75 