[tex]\bf \begin{array}{ccllll}
in&miles\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
2&75\\
x&575
\end{array}\implies \cfrac{2}{x}=\cfrac{75}{575}[/tex]
solve for "x"