tlong bantu nmor 2 sama 3 pake cara klo gk pakq cara nanti gue laporinnn

v =40 x 20 x 2
= 1600 m^3
debit = 2 x 4000 liter/mnt =8000 l/mnt
t = v / d
=1600 m^3 /8000 l/ mnt
= 1600000 dm^3 /8000 l/mnt
=200 menit