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20 March, 14:04

There are 13 books on a shelf. 5 of these books are new.

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

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

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Answers (2)
  1. 20 March, 15:31
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    A is 8:13 and B is 8:5
  2. 20 March, 17:07
    0
    If there are 13 total books then you have a ratio of 5:13 new books.

    And if the books are used the ratio is 8:13
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