Question
The ratio of the number of biscuits to the number of macarons in a bakery was 3 : 4. After 3 biscuits and 5 macarons were packed into each box, there were a total of 15 biscuits and 10 macarons left. Find the total number of biscuits and macarons in the bakery at first.
4 m

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The ratio of the number of biscuits to the number of macarons in a bakery was 3 : 4. After 3 biscuits and 5 macarons were packed into each box, there were a total of 15 biscuits and 10 macarons left. Find the total number of biscuits and macarons in the bakery at first.