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Math·Problem-Solving and Data Analysis·Percentages
hard
A real estate company offers a series of three webinars. people attended the first webinar. of the people who attended the first webinar attended the second webinar, and of the people who attended both the first and second webinar attended the third webinar. Of those who attended the first but did not attend the second webinar, attended the third webinar. How many people attended both the first and third webinars but did not attend the second webinar?
1
336