Question
There were some coins in Bag N and Bag P. After Bobby transferred 34 of the coins from Bag N to Bag P, the ratio of the number of coins in Bag N to that in Bag P changed to 2 : 9. Find the ratio of the numbers of coins in Bag N to the number of coins in Bag P at first.
3 m

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There were some coins in Bag N and Bag P. After Bobby transferred 34 of the coins from Bag N to Bag P, the ratio of the number of coins in Bag N to that in Bag P changed to 2 : 9. Find the ratio of the numbers of coins in Bag N to the number of coins in Bag P at first.