Matematika

Pertanyaan

Jika a : b =3 : 4,maka (6a + b) : (4a + 5b) adalah

1 Jawaban

  • A : B = 3:4
    A = 3/4 B



    6A + B

    = 6 (3/4 B ) + B
    = 18/4B + B
    = 22/4 B


    4A + 5B
    = 4(3/4B) + 5B
    = 3B + 5B

    = 8B



    = 22/4 B : 8B

    = 11/2 B : 8 B
    = 11/16

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