There were 693 books in a library.
57 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 Chinese. How many non-Chinese books were there in the library?
Fraction of books that were fiction Chinese books
=
57 x
13=
521Fraction of books that were non-fiction books
= 1 - 57
= 27Fraction of books that were non-fiction Chinese books
=
27 x
12=
17
Fraction of books that were non-Chinese books
= 1 -
17 -
521= 1 -
321 -
521=
2121 -
821=
1321Total number of books = 21 u
21 u = 693
1 u = 693 ÷ 21 = 33
Total number of non-Chinese books
= 13 u
= 13 x 33
= 429
Answer(s): 429