Question
The ratio of the number of croissants to the number of wafers in a bakery was 5 : 6. After 4 croissants and 7 wafers were packed into each box, there were a total of 17 croissants and 5 wafers left. Find the total number of croissants and wafers in the bakery at first.
4 m

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The ratio of the number of croissants to the number of wafers in a bakery was 5 : 6. After 4 croissants and 7 wafers were packed into each box, there were a total of 17 croissants and 5 wafers left. Find the total number of croissants and wafers in the bakery at first.