How many hands did chris shake

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Question: Chris Heister and his son were among two ?father-and-son pairs who gathered to trade baseball cards. As each person? arrived, he shook hands with anyone he had not known previously. Each person ended up making a different number of new acquaintances (0-2), except Chris and his? son, who each met the same number of people. How many hands did Chris? shake?

Reference no: EM133211224

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