In the shop,
13 of the books sold were Math books.
13 of the remaining books sold were Chinese books. The ratio of the number of Chinese books sold to the number of Science books was 14 : 3. The number of English books sold was 300. How many books were sold altogether?
Math |
Remaining books |
Total |
1x21 |
2x21 |
3x21 |
|
Chinese |
Science |
English |
|
|
1x14 = 14 u |
2x14 = 28 u |
|
|
14 |
3 |
|
|
21 u |
14 u |
3 u |
25 u |
63 u |
The number of Chinese books is repeated. Make the number of Chinese books the same. LCM of 1 and 14 is 14.
Number of English books = 25 u
25 u = 300
1 u = 300 ÷ 25 = 12
Total number of books sold
= 63 u
= 63 x 12
= 756
Answer(s): 756