Question
There were some stickers in Packet L and Packet M. After Jenson transferred 45 of the stickers from Packet L to Packet M, the ratio of the number of stickers in Packet L to that in Packet M changed to 2 : 9. Find the ratio of the numbers of stickers in Packet M to the number of stickers in Packet L at first.
3 m

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There were some stickers in Packet L and Packet M. After Jenson transferred 45 of the stickers from Packet L to Packet M, the ratio of the number of stickers in Packet L to that in Packet M changed to 2 : 9. Find the ratio of the numbers of stickers in Packet M to the number of stickers in Packet L at first.