Mathematics, 28.01.2020 23:05 alejachico2

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

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?