20 students plays football and 16 students plays hockey.It is found that 10 students plays both game.Find the number of students playing at least one game
36 because in total there are 46, 20 playing football, 16 playing hockey and 10 who plays both so if you add 20+16+10 you get 46, but then you take away the 10 who play both to get an answer or 36 students
