3 years ago

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

2 answers:

7 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

5 0

A is 8:13 and B is 8:5

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lakkis [162]

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