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AMC 12 2013b Problem 5

  • Paper

The average age of 3333 fifth-graders is 1111. The average age of 5555 of their parents is 3333. What is the average age of all of these parents and fifth-graders?

\textbf{(A)}\ 22 \textbf{(B)}\ 23.25 \textbf{(C)}\ 24.75 \textbf{(D)}\ 26.25 \textbf{(E)}\ 28

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

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C

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