In the shop,
16 of the books sold were Math books.
15 of the remaining books sold were English books. The ratio of the number of English books sold to the number of Science books was 13 : 3. The number of Chinese books sold was 147. How many books were sold altogether?
| Math |
Remaining books |
Total |
| 1x13 |
5x13 |
6x13 |
| |
English |
Science |
Chinese |
|
| |
1x13 =
13 u |
4x13 =
52 u |
|
| |
13 |
3 |
|
|
| 13 u |
13 u |
3 u |
49 u |
78 u |
The number of English books is repeated. Make the number of English books the same. LCM of 1 and 13 is 13.
Number of Chinese books = 49 u
49 u = 147
1 u = 147 ÷ 49 = 3
Total number of books sold
= 78 u
= 78 x 3
= 234
Answer(s): 234
