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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?

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?

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User Luca Brasi
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7.9k points

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.

answered
User Intotecho
by
8.2k points
6 votes
The answers are
a. 7:9
b. 16:7
answered
User Xaizek
by
8.0k points
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