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10 February, 14:24

There are 14 books on a shelf. 9 of these books are new.

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

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

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Answers (2)
  1. 10 February, 14:32
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    all books to new books - 14:5

    used books to new books - 5:9
  2. 10 February, 14:39
    0
    Answer: a. 14:5 b. 5:9

    Step-by-step explanation:

    There are 14 books and 9 are new so subtract 9 from 14 and get 5 and your ration would be 14:5. Once you have the answer to a you know how many new books there are and how many old books there are, so you can easily figure out the ratio would be 5:9.
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