In a library, 2/5 of the total books are Hadith books. Three fourths of the remaining books are Mathematics books. The 642 books remaining are on other subjects. Find the total number of books in the library?
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Answer:
In a library, 2/5 of the total books are Hadith books. Three fourths of the remaining books are Mathematics books. The 642 books remaining are on other subjects. Find the total number of books in the library 4280.