There were 780 books in a book shop.
110 of the books were non-fiction books and the rest were fiction books.
12 of the non-fiction books and
13 of the fiction books were in Chinese. How many non-Chinese books were there in the book shop?
Fraction of books that were non-fiction Chinese books
=
110 x
12=
120Fraction of books that were fiction books
= 1 - 110
= 910Fraction of books that were fiction Chinese books
=
910 x
13=
310
Fraction of books that were non-Chinese books
= 1 -
310 -
120= 1 -
620 -
120=
2020 -
720=
1320Total number of books = 20 u
20 u = 780
1 u = 780 ÷ 20 = 39
Total number of non-Chinese books
= 13 u
= 13 x 39
= 507
Answer(s): 507