Question
There were some marbles in Box V and Box W. After Cody transferred 13 of the marbles from Box V to Box W, the ratio of the number of marbles in Box V to that in Box W changed to 1 : 4. Find the ratio of the numbers of marbles in Box W to the number of marbles in Box V at first.
3 m

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There were some marbles in Box V and Box W. After Cody transferred 13 of the marbles from Box V to Box W, the ratio of the number of marbles in Box V to that in Box W changed to 1 : 4. Find the ratio of the numbers of marbles in Box W to the number of marbles in Box V at first.