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owlgirl554
24.01.2021 •
Mathematics
There are 11 books on a shelf. 4 of these books are new. The rest of them are used.
(a) What is the ratio of new books to used books?
(b) What is the ratio of all books on the shelf to used books?
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Ответ:
a. 4/11
b. 11-4= 7 used books. So the ratio of used books to all books is 11/7
Ответ: