Three departmental committees have 6, 12, and 9 members with no overlapping membership. In how many ways can these committees send one member to meet with the president? Use the addition principle.

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According to the addition principle, these committees can send one member to meet with the president using $6+12+9=27$ different ways.

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Question ID: mtid-5-stid-8-sqid-1197-qpid-935