Solve
-A Child's Dose of Medicine Is $\frac{1}{6}$ Of a Pre-Measured Dose Cup

Solve.
-A child's dose of medicine is $\frac{1}{6}$ of a pre-measured dose cup. If the bottle of medicine is the size of 9 dose cups, how many children's doses are there in the bottle?

A) $9 \frac{1}{6}$ doses
B) $1 \frac{1}{2} \operatorname{dose}(\mathrm{s})$
C) 15 doses
D) 54 doses