Question
The ratio of the number of tarts to the number of biscuits in a bakery was 5 : 6. After 5 tarts and 7 biscuits were packed into each box, there were a total of 20 tarts and 19 biscuits left. Find the total number of tarts and biscuits in the bakery at first.
4 m

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The ratio of the number of tarts to the number of biscuits in a bakery was 5 : 6. After 5 tarts and 7 biscuits were packed into each box, there were a total of 20 tarts and 19 biscuits left. Find the total number of tarts and biscuits in the bakery at first.