math

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if Charlie earns 3/4 of what joan earns. and together they earn 490.00 a week. How much does charlie make?

  • math -

    Joan's earnings -- x
    Charlie's earnings -- 3x/4

    x + 3x/4 = 490
    4x+3x=1960
    x=280

    joan -- 280 , charlie -- 210

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