07-05-2020
Mathematics

contestada

There are 25 people in a classroom. Each person shakes each other person's hand once
and only once. How many handshakes were there altogether?

Respuesta :

davidalvarez2007 davidalvarez2007

07-05-2020

Answer:

13

Step-by-step explanation:

13 because there pretend there is 24 people then it would be 12 but then there is one left over so 13 because somebody would have to shake hands with that person

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