Question
The ratio of the number of biscuits to the number of croissants in a bakery was 3 : 4. After 4 biscuits and 7 croissants were packed into each box, there were a total of 6 biscuits and 3 croissants left. Find the total number of biscuits and croissants in the bakery at first.
4 m

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The ratio of the number of biscuits to the number of croissants in a bakery was 3 : 4. After 4 biscuits and 7 croissants were packed into each box, there were a total of 6 biscuits and 3 croissants left. Find the total number of biscuits and croissants in the bakery at first.