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A jar of marbles is half red, one third green and the rest blue. If eight marbles are green how many are blue?

  • Math - ,

    total --- x
    red ---- x/2
    green -- x/3
    blue === y

    y + x/2 + x/3 = x
    y = x - x/2 - x/3
    y = x/6

    so one sixth are blue

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