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professor190 [17]
3 years ago
13

Sold 72 books, if ratio of books to bookmarks sols was 9:2, how many bookmarks sold?

Mathematics
2 answers:
REY [17]3 years ago
5 0

16 book marks has been sold

kramer3 years ago
5 0

Answer:

16 bookmarks

Step-by-step explanation:

9/72 = 2/x

72/9 = 8

2 x 8 = 16

hope this helps

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Knowing this, you get:

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Answer:

A' = { 2,4,6,8,10,12,14,16,17,18,19}

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B = {7,11,13,17,19}

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