tolong pakai cara ya

1) 33 dm² / jam
= 33 × 1 / 60
= 0,55 dm² / menit

2) 420 liter / jam
= 420 × 1/60
= 7 liter / menit

3) 14 liter/ menit
= 14 × 1 / 1/60
= 14 × 60/1
= 840 liter/jam

4) 21 dm²/menit
= 21 × 1 / 1/60
= 21 × 60/1
= 1260 dm² / jam

5) 0,25 liter/menit
= 0,25 × 1 / 1/60
= 0,25 × 60/1
= 15 liter/jam