Question
The ratio of the number of macarons to the number of biscuits in a bakery was 4 : 5. After 3 macarons and 5 biscuits were packed into each box, there were a total of 18 macarons and 15 biscuits left. Find the total number of macarons and biscuits in the bakery at first.
4 m

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The ratio of the number of macarons to the number of biscuits in a bakery was 4 : 5. After 3 macarons and 5 biscuits were packed into each box, there were a total of 18 macarons and 15 biscuits left. Find the total number of macarons and biscuits in the bakery at first.