Grace and her husband went to a party where four other couples were present. Every person shook hands with everyone they did not know. When the handshaking was over, Grace asked everyone, including her husband, how many hands they shook. To her surprise, Grace got nine different answers. How many hands did Grace's husband shake? At least 5 Either 1, 3. 5, or 7 Either 0, 2, 4, 6, or 8 None of the other answers are correct

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