math
posted by cindy .
the bag has 6 marbles in it. each marable is either red,blue,or green. what is the least number of marables that ou must pull out of the bag to be sure you have 2 marble the same color?

math 
MathMate
What is the worst case:
Red, blue, green (still no marbles of the same colour)
What about the next?
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