Mathematics, 19.01.2020 18:31, musicqueen360

There are
13 books on a shelf.
8 of these books are new.
(a) what is the ratio of used books to new books?
(b) what is the ratio of used books to all books?

Answers: 2

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There are
13 books on a shelf.
8 of these books are new.
(a) what is the ratio o...