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Earn +20 ptsQ: How many handshakes are there if 4 people shake hands?
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How many handshakes if 20 people shake hands with every other person in the room?
190
How many handshakes will be made if 20 people shake hands?
20*19/2 = 190
If 12 people meet and all shake hands with each other how many handshakes will occur?
66
If There are 3 people at a party If each person must shake hands with every other person at the party exactly once how many handshakes will there be?
3. AB, BC and CA.
How many handshakes would there be if 100 people shook hands?
200? D:
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