Matematika

Pertanyaan

ada dua keran air yang debitnya berbeda.keran 1 debitnya 1/300 m3/menit.Keran 2 debitnya 2 kali debit keran 1.Berapa liter/jam debit keran 2??

2 Jawaban

  • 2x 1/300 m3/menit = .... L/jam
    = 2/300 x 1000/(1:60)
    = 2/300 x 1000 x 60/1
    = 120000/300
    = 400 L/jam

    Debit keran 2 = 400 L/jam
  • keran 1
    debitnya 1/300 m3/menit.
    Keran 2
    debitnya 2 × 1/300 m3/menit.

    I liter = 1dm3
    1 menit = 1/60 jam
    1m3= 1000 liter

    2 × 1/300 m3/menit
    =( 2/ 300 × 1000) dm3 : 1/ 60 jam
    =20/3 × 60/1
    =20 ×20
    =400 liter / jam

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