Dijawab ya pakai cara , Makasih

Volume bak
= p × l × t
= 6 m × 4 m × 2 m
= 60 dm × 40 dm × 20 dm
= 48.000 dm³
= 48.000 liter

debit
= 400 liter ÷ 5 mnt
= 80 liter/mnt

waktu
= volume ÷ debit
= 48.000 liter ÷ 80 liter/mnt
= 600 mnt ÷ 60
= 10 jam