Matematika

Pertanyaan

Perbandingan uang ani dan ana 3:7. Jika selisih uang mereka Rp55.000. Hitunglah uang Ani dan Ana

2 Jawaban

  • 7x - 3x = 55.000.
    4x = 55.000.
    x = 55.000/4.
    x = 13.750.

    Uang Ani = 3x.
    Uang Ani = 3(13.750).
    Uang Ani = Rp41.250,00.

    Uang Ana = 7x.
    Uang Ana = 7(13.750).
    Uang Ana = Rp96.250,00.
  • Misal ani = A, ana = B
    A = 3/(7-3) x 55.000 = 3/4 x 55.000 = 41.250

    B = 7/(7-3) x 55.000 = 7/4 x 55.000 = 96.250

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