Question

(a) how many members does the music club have? (b) how many students are in the music club but not in the chess club? (c) how many students are members of both the chess club and the music club?

Explanation:

Step1: Count Music - Club members

Count all names in Music circle. There are 5 (Maya, Bob, Kaitlin, Isabel, Debra).

Step2: Count Music - only members

Count names in Music circle not in Chess circle. There are 2 (Isabel, Debra).

Step3: Count members in both clubs

Count names in the intersection. There are 3 (Maya, Bob, Kaitlin).

Answer:

(a) 5
(b) 2
(c) 3