the 90 members of a sports club play at least one of the games tennis, football, volleyball. 10 play tennis and football, 19 play football and volleyball and 29 play tennis and volleyball.n people play all three games. 2n people each play only one game, mathematics sets solution

1 answer

Draw the Venn diagram.
6n + 58-3n + n = 90
n = 8
Now you can answer any questions