As children grow, dosages for medications gradually approach those for adults. clark’s rule is often used to determine the correct dosage for children. child’s dose = adult dose x (weight of child in pounds)/(150 pounds) what dosage should be administered to a child weighing 28 pounds if the adult dose of a certain drug is 80 milligrams? round your answer to the nearest whole milligram. how much would a child have to weigh to receive the adult dosage? explain why your answer is reasonable.