Question
There were a total of 35 questions in a Science quiz. 6 marks were awarded for each correct answer and 3 marks were deducted for each wrong answer. Roshel answered all the questions and scored 102 marks. How many less wrong answers than correct answers did she answer?
4 m

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There were a total of 35 questions in a Science quiz. 6 marks were awarded for each correct answer and 3 marks were deducted for each wrong answer. Roshel answered all the questions and scored 102 marks. How many less wrong answers than correct answers did she answer?