In the shop,
15 of the books sold were Science books.
14 of the remaining books sold were English books. The ratio of the number of English books sold to the number of Math books was 5 : 2. The number of Chinese books sold was 52. How many books were sold altogether?
| Science |
Remaining books |
Total |
| 1x5 |
4x5 |
5x5 |
| |
English |
Math |
Chinese |
|
| |
1x5 =
5 u |
3x5 =
15 u |
|
| |
5 |
2 |
|
|
| 5 u |
5 u |
2 u |
13 u |
25 u |
The number of English books is repeated. Make the number of English books the same. LCM of 1 and 5 is 5.
Number of Chinese books = 13 u
13 u = 52
1 u = 52 ÷ 13 = 4
Total number of books sold
= 25 u
= 25 x 4
= 100
Answer(s): 100
