# Algebra

**Question description**

Read the following instructions in order to complete this discussion, and review the example http://vizedhtmlcontent.next.ecollege.com/pub/content/aa84bc37-7f15-4e1a-add5-84baf5ef1299/MAT221.W2.DiscussionExample.pdf on how to complete the math required for this assignment:

Read about Cowling’s Rule for child sized doses of medication (number 92 on page 119 of

*Elementary and Intermediate Algebra*).

92.
* Cowling's
rule.* Cowling's
rule is another function for determining the child's dosage of a
drug. For this rule, the formula expresses
the child's dosage as

*d,*the adult dosage as

*D*and the child's age as

*a*.

d = D(a+1) 24

a) If a doctor prescribes 1000 milligrams of acetaminophen for an adult, then how many milligrams would she prescribe for a three-year-old child using Cowling's rule?

b) If a doctor uses Cowling's rule to prescribe 12.5 milligrams of a drug to a child when she would prescribe 75 milligrams to an adult, then how old is the child?

Explain what the variables in the formula represent and show all steps in the computations.

Incorporate the following five math vocabulary words into your discussion. Use

**bold**font to emphasize the words in your writing (**Do not write definitions for the words; use them appropriately in sentences describing your math work**.Literal equation

Formula

Solve

Substitute

Conditional equation

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