Respuesta :

gmany

Answer:

[tex]\huge\boxed{B.\ \dfrac{3}{2}}[/tex]

Step-by-step explanation:

[tex]k=\dfrac{9}{6}=\dfrac{15}{10}=\dfrac{10.5}{7}=\dfrac{12}{8}\\\\k=\dfrac{9:3}{6:3}=\dfrac{3}{2}[/tex]