Prof. Anne Bishon has a meeting with 7 other academics, they all shake hands before sitting down to business. [One 'handshake' is where two academics clasp hands to greet so: two people greeting each other

Prof. Anne Bishon has a meeting with 7 other academics, they all shake hands before sitting down

to business.
[One 'handshake' is where two academics clasp hands to greet so:
two people greeting each other one handshake.]
How many handshakes are there?

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Prof. Anne Bishon has a meeting with 7 other academics, they all shake hands before sitting down to business. [One 'handshake' is where two academics clasp hands to gr…

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