Matematika

Pertanyaan

tolong dong no 26-29
tolong dong no 26-29

1 Jawaban

  • 26.
    volume = 80 liter
    debit = 0,5 liter/detik
    waktu = volume / debit = 80 / 0,5 = 80 x 2 = 160 detik

    27.
    volume = 3.600 liter
    debit = 40 liter / menit
    waktu = volume / debit = 3.600 / 40 = 90 menit

    28.
    volume = 4.500 liter
    waktu = 25 menit = 25 x 60 = 1500 detik
    debit = volume / waktu = 4.500 / 1.500 = 3 liter/detik

    29.
    volume = 3.960 liter
    waktu = 1 1/5 jam = 1 1/5 x 60 = 72 menit
    debit = volume / waktu = 3.960 / 72 = 55 liter/menit

    30.
    volume = 30 liter
    waktu = 5  menit = 5/60 jam = 1/12 jam
    debit = volume / waktu = 30 / 1/2 = 30 x 2 = 60 liter/jam