Posted by **Anonymous** on Sunday, May 27, 2012 at 12:10pm.

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 -
**MathMate**, Sunday, May 27, 2012 at 3:56pm
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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