hearteye9303 hearteye9303

20-10-2021
SAT

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if 9 people greet each other at a meeting by shaking hands with one another, how many handshakes will take place?

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clausonhannah66 clausonhannah66

20-10-2021

81 because each person has 9 people to greet and there’s 9 people so 9x9=81

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