[tex]Respuesta \: C \\ \\ 1 - \frac{1}{4} \\ \\ \frac{1}{1} - \frac{1}{4} \\ \\ \frac{1 \times 4}{1 \times 4} - \frac{1}{4} \\ \\ \frac{4}{4} - \frac{1}{4} \\ \\ \frac{4 - 1}{4} \\ \\4 - 1 = 3 \\ \\ = \frac{3}{4} [/tex]
