Respuesta :

4/3=1.3 repeating

1.3repeatingx9= 12/9

12 hours

If she spends 4 hours on 3 minutes and she has to do 9 minutes you would have to multipy 3 to get 9, then multiple 4 by 3 because what you do on one side you have to do to the other, and you would get 12