Question
The ratio of the number of biscuits to the number of shortbreads in a bakery was 5 : 6. After 5 biscuits and 8 shortbreads were packed into each box, there were a total of 15 biscuits and 10 shortbreads left. Find the total number of biscuits and shortbreads in the bakery at first.
4 m

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The ratio of the number of biscuits to the number of shortbreads in a bakery was 5 : 6. After 5 biscuits and 8 shortbreads were packed into each box, there were a total of 15 biscuits and 10 shortbreads left. Find the total number of biscuits and shortbreads in the bakery at first.