maths sets

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All the people in a class of 35 play at least one of the games volleball,netball and hockey.10 play volleball only,5 play netball only and 3 play hockey only.if 2 play many of all 3 gamez and the equal number play 2 many altogether play volleball

  • maths sets -

    Adding up all the players named, we have 10+5+3+2 = 20 players. That leaves 15 people divided equally among the two-game areas. So, 5 play volleyball and netball and 5 play volleyball and hockey.

    So, 10+5+5+2=22 play volleyball.

    Just draw a Venn diagram and fill in the named regions.

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