Question

Miss Tamika just started an art class. She had 10 children enrolled for the first class. · Before she began the art lesson, she told each of the children to shake hands with ! each of the other children and introduce I themselves. Miss Tamika did not include i herself because she had already met each i of the children. How many handshakes were there between all of the children?​

Answer 1

45 Handshakes.

Explanation:

10 people shake hands.

So, each person will shake hands with 9 other people.

Total number of handshakes = 90/2 = 45