Question
There were some erasers in Box B and Box C. After Xavier transferred 35 of the erasers from Box B to Box C, the ratio of the number of erasers in Box B to that in Box C changed to 1 : 8. Find the ratio of the numbers of erasers in Box B to the number of erasers in Box C at first.
3 m

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There were some erasers in Box B and Box C. After Xavier transferred 35 of the erasers from Box B to Box C, the ratio of the number of erasers in Box B to that in Box C changed to 1 : 8. Find the ratio of the numbers of erasers in Box B to the number of erasers in Box C at first.