smangel373 smangel373

05-10-2018
Mathematics

contestada

There are 13 books on a shelf. 4 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?

Respuesta :

JaleighHohnsoon JaleighHohnsoon

12-10-2018

New to used:
4:9

All to used:
13:9

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