Question
There were some erasers in Bag Y and Bag Z. After Carl transferred 25 of the erasers from Bag Y to Bag Z, the ratio of the number of erasers in Bag Y to that in Bag Z changed to 1 : 8. Find the ratio of the numbers of erasers in Bag Y to the number of erasers in Bag Z at first.
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There were some erasers in Bag Y and Bag Z. After Carl transferred 25 of the erasers from Bag Y to Bag Z, the ratio of the number of erasers in Bag Y to that in Bag Z changed to 1 : 8. Find the ratio of the numbers of erasers in Bag Y to the number of erasers in Bag Z at first.