There were 810 books in a library.
13 of the books were non-fiction books and the rest were fiction books.
15 of the non-fiction books and
14 of the fiction books were in English. How many non-English books were there in the library?
Fraction of books that were non-fiction English books
=
13 x
15=
115Fraction of books that were fiction books
= 1 - 13
= 23Fraction of books that were fiction English books
=
23 x
14=
16
Fraction of books that were non-English books
= 1 -
16 -
115= 1 -
530 -
230=
3030 -
730=
2330Total number of books = 30 u
30 u = 810
1 u = 810 ÷ 30 = 27
Total number of non-English books
= 23 u
= 23 x 27
= 621
Answer(s): 621