Six copies of a book cost $90. How much does
each copy of the book cost?...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 15.01.2022 21:20, barbar12345
Six copies of a book cost $90. How much does
each copy of the book cost?
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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