Question
The ratio of the number of macarons to the number of croissants in a bakery was 4 : 5. After 5 macarons and 7 croissants were packed into each box, there were a total of 20 macarons and 19 croissants left. Find the total number of macarons and croissants in the bakery at first.
4 m

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The ratio of the number of macarons to the number of croissants in a bakery was 4 : 5. After 5 macarons and 7 croissants were packed into each box, there were a total of 20 macarons and 19 croissants left. Find the total number of macarons and croissants in the bakery at first.