Respuesta :

Answer:

22500 secs

or

375 mins

or

6 hours and 15 min

Step-by-step explanation:

do 45000 m3 divided by 2 cm/s

then you get 22500 secs which if you divide by 60 gets 375 min and if you divide the mins by 60 you get 6 hours and 15 mins left