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22-10-2020
Mathematics

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If 15 books cost $90, what is the unit price?

A. $ 5 per book
B. $6 per book
С. $9 per book
D. $10 per book

If 15 books cost 90 what is the unit price A 5 per book B 6 per book С 9 per book D 10 per book class=

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22-10-2020

Answer:

6

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