Respuesta :
[tex]\bf \begin{array}{ccllll}
miles&minutes\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
4&30\\
10&x
\end{array}\implies \cfrac{4}{10}=\cfrac{30}{x}[/tex]
solve for "x"
solve for "x"
30/4=7.5. 7.5 minutes every mile... That means that she ran 75 minutes
