Betty had some Chinese and English non-fiction books. She sold
110 of her Chinese non-fiction books and
25 of her English non-fiction books.
57 of the books sold were Chinese books. What fraction of the non-fiction books did Betty sell?
| |
Chinese non-fiction books |
English non-fiction books |
Total non-fiction books |
| Before |
10x5 =
50 u |
5 u |
|
| Change |
- 1x5 =
- 5 u |
- 2 u |
7 u |
Comparing Chinese and English
non-fiction books sold |
5 |
2 |
7 |
| After |
9x5 =
45 u |
3 u |
|
Fraction of non-fiction books sold that is English non-fiction books
= 1 -
57=
27The number of English non-fiction books sold is repeated. Make the numerators the same.
25 English non-fiction books =
27 Storybooks sold
Total number of non-fiction books at first
= 50 u + 5 u
= 55 u
Number of non-fiction books soldTotal number of non-fiction books =
755 Answer(s):
755 
