SOLUTION: Young's rule, C=DA/a+12, can be used to approximate the dosage of a drug prescribed for children. In this formuala, A= childs age in years, D= an adult dosage and C= the proper ch

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Question 749104: Young's rule, C=DA/a+12, can be used to approximate the dosage of a drug prescribed for children. In this formuala, A= childs age in years, D= an adult dosage and C= the proper childs dosage. When an adult dosage is 12 milligrams and the child's dosage is 300 milligrams, what is the childs age?
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Simply solve the equation for A and substitute the known values.
C-12=DA%2Fa
%28a%2FD%29%28C-12%29=A, formula for A.