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myrzilka [38]
2 years ago
6

some exersise books have to be arranged in piles with 10 or 15 or 20 books per pile . what is the least number of books needed t

o do this?
Mathematics
1 answer:
adoni [48]2 years ago
5 0

Answer: 45 books?

Step-by-step explanation:

10+15+20

=45

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