2dm³/menit=...liter/jam

1 dm3 = 1 liter
1 menit = 1/60 jam
bila
2 dm3/menit
maka
= 2 L / (1x60) jam
= 2 x 60 L / 1 jam
= 120 L/jam

2dm3/mnt=120 liter/jam kalo gak salah ya...