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2017 AMC 10B Question 11

AMC10 · 2017 AMC 10B

Question 11

At Typico High School, $60\%$ of the students like dancing, and the rest dislike it. Of those who like dancing, $80\%$ say that they like it, and the rest say that they dislike it. Of those who dislike dancing, $90\%$ say that they dislike it, and the rest say that they like it. What fraction of students who say they dislike dancing actually like it?
  1. $10\% $
  2. $12\% $
  3. $20\% $
  4. $25\% $
  5. $33\frac{1}{3}\% $