There are 60 books on a shelf 24 of them non-fiction What percent is non-fiction?

Here's how to calculate the percentage of non-fiction books:

1. Divide the number of non-fiction books by the total number of books:

24 / 60 = 0.4

2. Multiply the result by 100 to express it as a percentage:

0.4 * 100 = 40%

Therefore, 40% of the books on the shelf are non-fiction.