Lucy had some Chinese and English non-fiction books. She sold
18 of her Chinese non-fiction books and
38 of her English non-fiction books.
47 of the books sold were Chinese books. What fraction of the non-fiction books did Lucy sell?
| |
Chinese non-fiction books |
English non-fiction books |
Total non-fiction books |
| Before |
8x4 =
32 u |
8 u |
|
| Change |
- 1x4 =
- 4 u |
- 3 u |
7 u |
Comparing Chinese and English
non-fiction books sold |
4 |
3 |
7 |
| After |
7x4 =
28 u |
5 u |
|
Fraction of non-fiction books sold that is English non-fiction books
= 1 -
47=
37The number of English non-fiction books sold is repeated. Make the numerators the same.
38 English non-fiction books =
37 Storybooks sold
Total number of non-fiction books at first
= 32 u + 8 u
= 40 u
Number of non-fiction books soldTotal number of non-fiction books =
740 Answer(s):
740 
