Question

What is the prescribed dosage of a certain medicine for a 6-year-old child if the adult dosage of

the medicine is 180 milligrams?


The formula below is used to calculate the correct dosage for a child:
C= a/(a+12) ∙ A

C = child’s dosage in milligrams
a = age of the child
A = adult dosage in milligrams


17. What does variable “a” represent?

Type answer here


18. What does variable “A” represent?

Type answer here


19. Using the formula above, solve for “C”. Show your work.

Answer 1

17. The variable "a" represents the age of the child

18. The variable "A" represents the adult dosage

19. The prescribed dosage of the medicine for the 6-year-old child is 60 milligrams.

Work: C=6/(6+12)·180

C=6/(18)·180

C=60