\(\begin{array}{ccllll}
recipe&servings
\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
1&8\\
\frac{4}{8}&x
\end{array}\implies \cfrac{1}{\frac{4}{8}}=\cfrac{8}{x}\impliedby \textit{solve for "x"}\)