# MAT221.W2.DiscussionExample - INSTRUCTOR GUIDANCE EXAMPLE...

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INSTRUCTOR GUIDANCE EXAMPLE: Week Two Discussion [ Please remember to use your own wording in your discussion. The writing here is intended to demonstrate the type of writing that is appropriate for a math discussion, and not intended for students to copy .] For this discussion we are to use Cowling’s Rule to determine the child sized dose of a particular medicine. Cowling’s Rule is a formula which converts an adult dose into a child’s dose using the child’s age. As in all literal equations this one has more than one variable, in fact it has three variables. They are a = child’s age The formula is d = D ( a + 1) D = adult dose 24 d = child’s dose I have been assigned to calculate a 6-year-old child’s dose of amoxicillin given that the adult dose is 500mg. d = D ( a + 1) The Cowling’s Rule formula 24 d = 500(6 + 1) I substituted 500 for D and 6 for a . 24 d = 500(7) Following order of operations I added inside parentheses first.