Question
There were some pencils in Bag L and Bag M. After Oscar transferred 13 of the pencils from Bag L to Bag M, the ratio of the number of pencils in Bag L to that in Bag M changed to 1 : 9. Find the ratio of the numbers of pencils in Bag L to the number of pencils in Bag M at first.
3 m

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There were some pencils in Bag L and Bag M. After Oscar transferred 13 of the pencils from Bag L to Bag M, the ratio of the number of pencils in Bag L to that in Bag M changed to 1 : 9. Find the ratio of the numbers of pencils in Bag L to the number of pencils in Bag M at first.