There were 1140 books in a library.
25 of the books were fiction books and the rest were non-fiction books.
13 of the fiction books and
12 of the non-fiction books were in English. How many non-English books were there in the library?
Fraction of books that were fiction English books
=
25 x
13=
215Fraction of books that were non-fiction books
= 1 - 25
= 35Fraction of books that were non-fiction English books
=
35 x
12=
310
Fraction of books that were non-English books
= 1 -
310 -
215= 1 -
930 -
430=
3030 -
1330=
1730Total number of books = 30 u
30 u = 1140
1 u = 1140 ÷ 30 = 38
Total number of non-English books
= 17 u
= 17 x 38
= 646
Answer(s): 646