Question 8
The semifinal of the fifth Titan Mathematics Olympiad has multiple-choice and fill-answer sections. The multiple-choice section contains 10 questions: each correct answer earns 2 points, each wrong answer loses 1 point, and each unanswered question earns 0. Vân scores 12 points in that section and remembers leaving exactly one question unanswered. How many answers did Vân get correct?
