Members of a sports club are junior, adult
or senior.
80 of these members were asked whether
they prefer tea, coffee or hot chocolate.
25 members are senior, of which 13
prefer coffee.
10 juniors prefer tea.
There are no adult members who prefer
hot chocolate.
2 out of the 18 juniors prefer coffee.
4 out of the 28 members who prefer tea
are seniors.
What fraction of members in the club
prefer hot chocolate?
Give your answer as a fraction in its
simplest form.