3/4 m³/detik =... l/menit

1 liter = 1 dm³
¾ = 0,75
1 detik = 1/60 menit

0,75 m³/detik = ... liter/menit
0,75 m³ = 750 dm³ = 750 liter
karena 1 detik = 1/60, maka
750 / 1/60 = 750 × 60/1 = 750 × 60
= 45000 liter/menit