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There are 16 books on a shelf. 7 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?
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There are 16 books on a shelf. 7 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?

User Luca Brasi
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2 Answers

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7 out of the 16 books are new, so 9 of them are used.

7:9 is the ratio of new books to old books.
16:9 is the ratio of all books to used books.

User Intotecho
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8.5k points
6 votes
The answers are
a. 7:9
b. 16:7
User Xaizek
by
8.3k points
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