Question

Of the 35 students in my class, 11 practice karate, 11 play piano, and 20 take math lessons. $ students play piano and go to math classes, 3 students do karate and piano, 5 go to math class and karate, and 3 do non. How many students do all 3

Answer 1

There are twenty four students

Answer 2

There are twenty four students that do all