New fiction books

Question

A shelf at a bookstore displays 27 books. Of these 27 books, 9 of the books are nonfiction books. The store owner adds 6 new fiction books to the shelf and wants the ratio of the fiction books to nonfiction books to remain the same. What is the total number of nonfiction books that  the store should display, after the new fictions books are added?

 

A. 12

B. 15

C. 16

D. 18

Answer 1

The total number of nonfiction books should now total 12. Your ratio to start with for the fiction to nonfiction books is 2 to 1. To keep this the same, once the 6 new fiction books are added to make a total of 24 fiction books, 1 more nonfiction books must be added to make a total of 12. This will keep the ratio the same at 2 to 1.