Question

18 is what percent of 9?

Answer 1

Let's say 9 is the 100% and then we will found the requested porcentage

`\begin{gathered} (9)/(100)=(18)/(x) \\ 9x=18\cdot100 \\ x=(1800)/(9) \\ x=200 \end{gathered}`

Therefore, 18 is the 200% of 9