Respuesta :

Answer:

9 hours

Step-by-step explanation:

[tex]Lets\ say\ the\ answer\ is\ x\ hours[/tex]

[tex]6\times4\frac{1}{2}=3x[/tex]

[tex]6\times\frac{9}{2}=3x[/tex]

[tex]27=3x[/tex]

[tex]x=27\div3[/tex]

[tex]x=9[/tex]

[tex]\left(Simple\ calculation\right)[/tex]

I hope this helps you

:)