The total number of books in the library is 400 books.
Given that there are 60 picture books in the library, and these said 60 books happen to make up 15% of the collection in the entire library. To find the total number of books in the library, we then say that
Total number of books in the library = total number of picture books in the library ÷ percentage of picture books
Total number of books in the library = 60 / 0.15
Total number of books in the library = 400.
Learn more about how percentages work here https://brainly.com/question/24304697
