Respuesta :

[tex]\bf \begin{array}{ccll}miles&minutes\\\cline{1-2}36&45\\x&60\end{array}\implies \cfrac{36}{x}=\cfrac{45}{60}\implies \cfrac{36}{x}=\cfrac{3}{4}\implies \cfrac{36\cdot 4}{3}=x\implies 48=x[/tex]

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