Matematika

Pertanyaan

tolong ya jawab I'm counting on you
tolong ya jawab I'm counting on you

1 Jawaban

  • Waktu tempuh

    = 11.50 - 09.20

    = 2.30

    = 2 jam 30 menit

    [tex] = 2 \frac{1}{2} jam[/tex]

    Kecepatan

    = Jarak : Waktu

    [tex] = 900 \: km \: \div 2 \frac{1}{2} jam \\ \\ = 900 \: km \: \div \frac{5}{2} jam \\ \\ = 900 \: km \: \times \frac{2}{5} jam \\ \\ = 360 \: km \: per \: jam[/tex]