Question
There were a total of 45 questions in a Science quiz. 6 marks were awarded for each correct answer and 2 marks were deducted for each wrong answer. Gem answered all the questions and scored 222 marks. How many less wrong answers than correct answers did she answer?
4 m

Click button first when a symbol is required. X

There were a total of 45 questions in a Science quiz. 6 marks were awarded for each correct answer and 2 marks were deducted for each wrong answer. Gem answered all the questions and scored 222 marks. How many less wrong answers than correct answers did she answer?