Question
There were some pencils in Packet M and Packet N. After Fabian transferred 34 of the pencils from Packet M to Packet N, the ratio of the number of pencils in Packet M to that in Packet N changed to 2 : 9. Find the ratio of the numbers of pencils in Packet M to the number of pencils in Packet N at first.
3 m

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There were some pencils in Packet M and Packet N. After Fabian transferred 34 of the pencils from Packet M to Packet N, the ratio of the number of pencils in Packet M to that in Packet N changed to 2 : 9. Find the ratio of the numbers of pencils in Packet M to the number of pencils in Packet N at first.