Of the 36 students in the book club. five ninths Of the students prefer adventure books to historical books. How many of the students in the book club prefer historical books?

You could draw it out such as: x x x x x x x x x

x x x x x x x x x

x x x x x x x x x

x x x x x x x x x

Now you have nine groups of 4 which equals 36

Now 5/9 would be five of the nine groups. Each group have 4 students so 4 x 5 = 20 students like Adventure books. Then take 36 - 20 = 16, which means 16 students like historical books.