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Grace has 16 jellybeans in her pocket. She has 8 red ones, 4 green ones, and 4 blue ones. What is the minimum number of jellybeans she must take out of her pocket to ensure that she has one of each color?

Sagot :

She must take all of the jellybeans. If she only takes out a certain number of jellybeans then there could be a probability that all colors won't come. By taking all of them out she could be sure.