kakak saya minta bantu dari nomor. 4-5

4.
15 liter/menit
= 15 liter / 1/60 jam
= 15×60
= 900 liter/jam

5.
120.000 cm^3/menit
=120.000÷1000 dm^3/ 60detik
= 120 dm^3 / 60 detik
= 2 dm^3/detik
= 2 liter/detik