Question
There were some stickers in Packet J and Packet K. After Fabian transferred 13 of the stickers from Packet J to Packet K, the ratio of the number of stickers in Packet J to that in Packet K changed to 1 : 7. Find the ratio of the numbers of stickers in Packet K to the number of stickers in Packet J at first.
3 m

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There were some stickers in Packet J and Packet K. After Fabian transferred 13 of the stickers from Packet J to Packet K, the ratio of the number of stickers in Packet J to that in Packet K changed to 1 : 7. Find the ratio of the numbers of stickers in Packet K to the number of stickers in Packet J at first.