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March 30, 2017

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If y blue marbles are removed and 30 orange marbles are added to the bag , the probability of getting a green marble become 1/4.Find the value y.

  • Math - ,

    Y can be anything, depending what was originally in the bag.

    If there were originally 1 blue and 10 green marbles in the bag, y=1.

    If there were originally 101 blue and 10 green marbles in the bag, y=101.


    If there were originally 20 blue and 15 green marbles in the bag, y=5.

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