Question
There were some pens in Bag H and Bag J. After Dylan transferred 13 of the pens from Bag H to Bag J, the ratio of the number of pens in Bag H to that in Bag J changed to 1 : 7. Find the ratio of the numbers of pens in Bag J to the number of pens in Bag H at first.
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There were some pens in Bag H and Bag J. After Dylan transferred 13 of the pens from Bag H to Bag J, the ratio of the number of pens in Bag H to that in Bag J changed to 1 : 7. Find the ratio of the numbers of pens in Bag J to the number of pens in Bag H at first.