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A bag contains marbles of three different colors with at least three marbles of each color. Three marbles are randomly selected, without replacement. How many different color combinations are possible? (Note: ``red, red, blue" and ``red, blue, red" are the same combination.)

 May 27, 2019
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\(\text{$3$ combos of the all one color}\\ \text{$3\cdot 2=6$ combos of 2 colors}\\ \text{$1$ combo of all 3 colors}\\ \text{$10$ in total}\)

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 May 27, 2019

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