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At a certain pancake festival with 600 attendees in which every attendee ate at least 1 pancake, how many people had only 1 pancake?
(1) At the festival there were 1,200 pancakes served, and no person had more than 3 pancakes.
(2) Seventy-two percent of the attendees at the festival had 2 or more pancakes.

A.B.
【参考答案】

B
B 解析：alone is not sufficient, because there could have......

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