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12 February, 10:28

There are 16 books on a shelf. 9 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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Answers (2)
  1. 12 February, 11:57
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    A: 9:5

    B: 16:5 those should be the answer
  2. 12 February, 12:17
    0
    (a) 9:7

    (b) 16:7

    Step-by-step explanation:

    (a) 16-9=7 used books = 9:7

    (b) 16 books 7 used = 16:7
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