Question

There are 14 books on a shelf. 5 of these books are new.

(a) What is the ratio of new books to used books?
(b) What is the ratio of all books to used books

Answer 1

The number of used books is:
14 -5= 9

(a) New books: used books
= 5:9

The ratio of new books to used books is 5:9~

(b) All books: used books
= 14: 9

The ratio of all books to used books is 14:9~

Answer 2

A. Since the question is asking for the ratio of new books to used books, you need to know the number of used books and new books.
Used books: 14-5=9 //////////// New books: 5
Therefore the answer is 5:9 or 5/9.

B. 14:9 or 14/9

Hope this answer helped you.
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