During a PICE officers meeting, each officer shakes hands with all the others. Assuming that each member shakes hand with another member only once, if there were a total of 153 handshakes, how many were there in the meeting?

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Chapter9: Sequences, Probability And Counting Theory
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During a PICE officers meeting, each officer shakes hands with all the others. Assuming that
each member shakes hand with another member only once, if there were a total of 153
handshakes, how many were there in the meeting?
Select one:
О а. 20
O b. 18
О с. 12
O d. 14
Transcribed Image Text:During a PICE officers meeting, each officer shakes hands with all the others. Assuming that each member shakes hand with another member only once, if there were a total of 153 handshakes, how many were there in the meeting? Select one: О а. 20 O b. 18 О с. 12 O d. 14
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