Respuesta :
33-15=18cm of water was gone in 6 min. so it’s draining 3cm/min.
She still has 15cm left to drain at 3cm/min. Is 5 more min. Total=11min.
Or 33 cm divided by 3 min=11min
She still has 15cm left to drain at 3cm/min. Is 5 more min. Total=11min.
Or 33 cm divided by 3 min=11min