Mathematics, 03.10.2019 12:30 kylucienne
There are 5 girls and 5 boys in a chess club. the club holds a round-robin tournament in which every player plays against every other player exactly once.
in how many games does a girl play against a boy? ( 25)
in how many games does a girl play against another girl? ( 10)
what fraction of the games are boy-versus-boy? enter your answer as a fraction in simplified form.( 2/9)
if anita is one of the club members, what fraction of all games at the tournament does anita play in? enter your answer as a fraction in simplified form.( i have no idea)
(this single question worth 64 points)
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