Question
There were some coins in Packet W and Packet X. After Fabian transferred 23 of the coins from Packet W to Packet X, the ratio of the number of coins in Packet W to that in Packet X changed to 2 : 5. Find the ratio of the numbers of coins in Packet X to the number of coins in Packet W at first.
3 m

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There were some coins in Packet W and Packet X. After Fabian transferred 23 of the coins from Packet W to Packet X, the ratio of the number of coins in Packet W to that in Packet X changed to 2 : 5. Find the ratio of the numbers of coins in Packet X to the number of coins in Packet W at first.