Michelle H.

asked • 09/21/18

A group of 53 friends meet for lunch. They greet each other by exchanging fist bumps. How many fist bumps are exchanged if each friend must bump with each of th

A group of 53 friends meet 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 52 others?

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