Question
There were some beads in Packet M and Packet N. After Julian transferred 14 of the beads from Packet M to Packet N, the ratio of the number of beads in Packet M to that in Packet N changed to 2 : 3. Find the ratio of the numbers of beads in Packet N to the number of beads in Packet M at first.
3 m

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There were some beads in Packet M and Packet N. After Julian transferred 14 of the beads from Packet M to Packet N, the ratio of the number of beads in Packet M to that in Packet N changed to 2 : 3. Find the ratio of the numbers of beads in Packet N to the number of beads in Packet M at first.