420 liter/jam=…. Liter/menit

420 liter/jam = … liter/menit
420 : 60 menit (karena 1 jam = 60 menit) = 7
Jadi, 420 liter/jam = 7 liter/menit

420 liter/jam = … liter/60 menit
420 liter/jam = 420 × 60 liter/menit
420 liter/jam = 25.200 liter/menit

"tolong jadikan yg terbaik"