Question
In the shop, 15 of the books sold were Math books. 14 of the remaining books sold were Science books. The ratio of the number of Science books sold to the number of English books was 13 : 8. The number of Chinese books sold was 279. How many books were sold altogether?
4 m

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In the shop, 15 of the books sold were Math books. 14 of the remaining books sold were Science books. The ratio of the number of Science books sold to the number of English books was 13 : 8. The number of Chinese books sold was 279. How many books were sold altogether?