A: Literature books and popular science books account for 22.35% of the total number of books.

(2) The problem that can be solved by subtraction can be put forward: What percentage of popular science books account for more than literature books?

37- 15=835

A: Popular science books account for 835.5% of the total.

A series of comprehensive formulas can solve the problem: what percentage of story books and comics account for * * *, more than literature books?

225+42 1- 15

=42525- 105525

=37525

A: Story books and comics account for 37,525% more than literature books.