Question
There were some erasers in Box U and Box V. After Cody transferred 14 of the erasers from Box U to Box V, the ratio of the number of erasers in Box U to that in Box V changed to 2 : 5. Find the ratio of the numbers of erasers in Box U to the number of erasers in Box V at first.
3 m

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There were some erasers in Box U and Box V. After Cody transferred 14 of the erasers from Box U to Box V, the ratio of the number of erasers in Box U to that in Box V changed to 2 : 5. Find the ratio of the numbers of erasers in Box U to the number of erasers in Box V at first.