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AMC 12 2011a Problem 5

  • Paper

Last summer 30%30\% of the birds living on Town Lake were geese, 25%25\% were swans, 10%10\% were herons, and 35%35\% were ducks. What percent of the birds that were not swans were geese?

\textbf{(A)}\ 20 \textbf{(B)}\ 30 \textbf{(C)}\ 40 \textbf{(D)}\ 50 \textbf{(E)}\ 60

Dataset text AMC 12 2000 to 2025. Quoted with source.

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C

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