Question
The ratio of the number of geese in Farm U to the number of geese in Farm V was 4 : 9. There were 40 more geese in Farm V than in Farm U. When 12 geese escaped from Farm V, the farmer in Farm V bought another 20 geese. What was the new ratio of the number of geese in Farm U to the number of geese in Farm V in the end? Give your answer in the simplest form.
4 m

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The ratio of the number of geese in Farm U to the number of geese in Farm V was 4 : 9. There were 40 more geese in Farm V than in Farm U. When 12 geese escaped from Farm V, the farmer in Farm V bought another 20 geese. What was the new ratio of the number of geese in Farm U to the number of geese in Farm V in the end? Give your answer in the simplest form.