Matematika

Pertanyaan

Uang Adi 3/5 uang Budi. Uang candra 4/3 uang budi. Selisih uang Adi dan Candra Rp.66.000. Jumlah uang mereka adalah?

2 Jawaban

  • A = Adi
    B = Budi
    C = Candra

    A = 3/5 B
    C = 4/3 B
    C - A = 66.000

    4/3 B - 3/5 B = 66.000
    20/15 B - 9/15 B = 66.000
    11/15 B = 66.000
    11 B = 990.000
    B = 90.000

    A = 3/5 (90.000) = 54.000
    B = 90.000
    C = 4/3 (90.000) = 120.000

    A + B + C = 54.000 + 90.000 + 120.000 = 264.000
  • Adi : Budi = 3 : 5
    Budi : Candra = 3 : 4

    A : B : C = 9 : 15 : 20
    C - A = 11

    A = 9/11 × 66.000 = 54.000
    B = 15/11 × 66.000 = 90.000
    C = 20/11 × 66.000 = 120.000

    A + B + C = 54.000 + 90.000 + 120.000 = 264.000

    Semoga bermanfaat

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