Mathematics, 18.08.2019 15:30 JLapworth1130
Over the summer a bunch of math teachers from different schools got together for a bbq. not one of the teachers knew each other and greets each other with a hearty handshake. how many handshakes will occur at the party if every one of the 15 math teachers shakes hands with each of the others?
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Over the summer a bunch of math teachers from different schools got together for a bbq. not one of t...
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