Respuesta :
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
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