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venecia53
07.07.2019 •
Mathematics
84% 84, percent of astrid's books are fiction. what fraction of astrid's books are fiction?
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Ответ:
Let number of books by astrid's = x
Out of x , 84% are fiction.
So, Number of non fictional books = x -![\frac{84x}{100}](/tpl/images/0060/0635/b0d40.png)
=![\frac{100x- 84 x}{100} = \frac{16x}{100}](/tpl/images/0060/0635/ca9eb.png)
→Ratio of number of books to fictional books
→Out of 25 books by astrid 21 are fictional.
→ Number of fictional books by astrid =![\frac{21}{25}](/tpl/images/0060/0635/f1491.png)
Ответ:
Range = (-9,8)
Step-by-step explanation: