Question
There were some marbles in Bag S and Bag T. After Tim transferred 25 of the marbles from Bag S to Bag T, the ratio of the number of marbles in Bag S to that in Bag T changed to 1 : 5. Find the ratio of the numbers of marbles in Bag S to the number of marbles in Bag T at first.
3 m

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There were some marbles in Bag S and Bag T. After Tim transferred 25 of the marbles from Bag S to Bag T, the ratio of the number of marbles in Bag S to that in Bag T changed to 1 : 5. Find the ratio of the numbers of marbles in Bag S to the number of marbles in Bag T at first.