Question 923608: A bag contains 5 red marbles, 1 green one, 1 lavender one, 1 yellow, and 3 orange marbles.
How many sets of four marbles include none of the red ones?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! A bag contains 5 red marbles, 1 green one, 1 lavender one, 1 yellow, and 3 orange marbles.
How many sets of four marbles include none of the red ones?
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There are 6 marbles that are not red::
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Ans:: 6C4 = 6C2 = (6*5)/(1*2) = 15
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Cheers,
Stan H.
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