Question
There were some beads in Box K and Box L. After Jack transferred 23 of the beads from Box K to Box L, the ratio of the number of beads in Box K to that in Box L changed to 3 : 7. Find the ratio of the numbers of beads in Box K to the number of beads in Box L at first.
3 m

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There were some beads in Box K and Box L. After Jack transferred 23 of the beads from Box K to Box L, the ratio of the number of beads in Box K to that in Box L changed to 3 : 7. Find the ratio of the numbers of beads in Box K to the number of beads in Box L at first.