# W2 - Formulas - Using Cowlings Rule for child sized doses...

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Using Cowling’s Rule for child sized doses of medication I will solve two problems. Cowling’s Rule is a formula that converts an adult size dose into a smaller dose for a child using their age to determine the amount. This literal equation has multiple variables a, b, and c. They are a = child’s age The formula is d = D(a+1) b = adult dosage 24 c = child’s dosage The first problem I will solve is for the child’s dosage amount of Tamiflu. I was given the adult dosage of 75mg and the child’s age of 11. My formula will read as follows with the substitutions given. d = 75(11+1) 75 and 11 were substituted in for the variables D and a. 24 d = 75(12) I solved the parenthesis first. 24 d = 900 I solved the multiplication next. 24 d = 37.5 The final step in the order of operation was the division.
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