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A group of 68 friends meets for lunch. They greet each other by exchanging fist bumps. How many fist bumps are exchanged if each friend must bump with each of the 67 ​others? Th…

A group of 68 friends meets for lunch. They greet each other by exchanging fist bumps. How many fist bumps are exchanged if each friend must bump with each of the 67 ​others? Th…
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A group of 68 friends meets for lunch. They greet each other by exchanging fist bumps. How many fist bumps are exchanged if each friend must bump with each of the 67 ​others? The total number of fist bumps exchanged is nothing .

User Anne Gunn
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1 Answer

4 votes

Answer: 68C2 = 2278

Explanation:

User Gregavola
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