Doctors can use Cowling's Rule to determine the correct dosage of a drug to prescribe to a child: D(a + 1) d where D is the adult dosage, d is the 24 child dosage, and a is the age of the child. If the adult dosage is 630 milligrams and the child's dosage is 420 milligrams, how old is the child? = J

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Doctors can use Cowling's Rule to determine the
correct dosage of a drug to prescribe to a child:
D(a + 1)
where D is the adult dosage, d is the
24
child dosage, and a is the age of the child. If the adult
dosage is 630 milligrams and the child's dosage is 420
milligrams, how old is the child?
d
=
"
years
Transcribed Image Text:Doctors can use Cowling's Rule to determine the correct dosage of a drug to prescribe to a child: D(a + 1) where D is the adult dosage, d is the 24 child dosage, and a is the age of the child. If the adult dosage is 630 milligrams and the child's dosage is 420 milligrams, how old is the child? d = " years
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