Draw a picture for you to describe and label each small piece in alphabetical order.

Known:

Among them, 58 people like watching football matches: B? d？ e？ f？ =58

38 people like going to the theatre:? Answer? b？ c？ d？ =38

52 people like watching movies:? c？ d？ g？ f？ =52

There are 18 people who like watching both football matches and dramas: b? d？ = 18

There are 16 people who like both movies and plays: c? d？ = 16

People with 12 like to see all three: d? = 12

* * * Yes 100 people: A? b？ c？ d？ e？ f？ g？ = 100

Ask g who only likes watching movies.

So G=22