2024 Fermat Problem 12

The numbers 5, 6, 10, 17, and 21 are rearranged so that the sum of the first three numbers is equal to the sum of the last three numbers. Which number is in the middle of this rearrangement?

\textbf{(A)}\ 5\quad \textbf{(B)}\ 6\quad \textbf{(C)}\ 10\quad \textbf{(D)}\ 17\quad \textbf{(E)}\ 21

If there are no answer choices shown, enter a numerical answer.

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