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kkurt [141]
3 years ago
8

There are 15 books on a shelf. 9 of these books are new. The rest of them are used. what is the ratio of all books​

Mathematics
1 answer:
Andrew [12]3 years ago
6 0

Answer:

a)15:6 b)2:3

Step-by-step explanation:

No. of used books=15-9=6

a) 15:6

b)

6:9

2:3

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