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8 years, 8 months ago
8 years, 8 months ago
If I have understood the question correctly, the answer should be 26. He can either vote for 1 person which would be 5C1, or 2 which would be 5C2 , or 3 which would be 5C3 or none. So it should be 1 + 5 + 10 + 10 = 26