D=20dm³/menit W=6menit V=....... pakai cara

[tex]v = d \times w \\ = \: 20 {dm}^{3 } \times 6 \:menit \\ = 120 {dm}^{3} [/tex]
semoga membantu

Volume
= Waktu x Debit
= 6 menit x 20 dm³/menit
= 120 dm³
= 120 liter.