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Stage 1: |
If you have TWO people in a room and each person
shakes hands with every other person exactly once,
how many total handshakes happen?
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Stage 2: |
If you have THREE people in a room and each person
shakes hands with every other person exactly once,
how many total handshakes happen?
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Stage 3: |
If you have FOUR people in a room and each person
shakes hands with every other person exactly once,
how many total handshakes happen?
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Stage 4: |
If you have FIVE people in a room and each person
shakes hands with every other person exactly once,
how many total handshakes happen?
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Stage 5: |
So, if you have SIX people in a room and each person
shakes hands with every other person exactly once,
how many total handshakes happen?
SEVEN people?
EIGHT people?
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