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DiKsa [7]
2 years ago
7

I’ll give the Brainliest to who answers this question with a reasonable explanation.

Mathematics
1 answer:
Lyrx [107]2 years ago
5 0
$40/12 = unit rate simplify = 10/3
$10/3 per book
18 * 10/3 = $60 for 18 copies
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