Answer:
1. 5
2. Gina, Kay
3. n = {Chirs, Leslie,Joy,Gina,Kay,Debby,Marion,Thea}
4. none (he doesn't wear new shoes, or play basketball)
5. 12
Step-by-step explanation:
1. We get all of the members in B
2. e = B∩N (intersection)
3. n(B∩N) / all members of B and N
4. Michelle - x | x =/ B and x | x =/ N (he doesn't belong in B or N)
5. sum(all)
