SOLUTION: A box contains 7 red cards, 2 blue cards, 3 green cards. What is the smallest number of cards we must take from the box to make sure that we have 2 red cards?
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Question 979657: A box contains 7 red cards, 2 blue cards, 3 green cards. What is the smallest number of cards we must take from the box to make sure that we have 2 red cards?
Please explain in detail! Thanks. Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! A box contains 7 red cards, 2 blue cards, 3 green cards. What is the smallest number of cards we must take from the box to make sure that we have 2 red cards?
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7
You might take 2 blue ones and 3 green ones on the 1st 5 cards.
