Question:
Kenneth took part in a quiz in which he had to answer 70 questions. In the quiz, 5 marks were awarded for each correct answer and 2 marks were deducted for each wrong answer. Kenneth scored a total of 182 marks for the quiz.
(a) What is the difference between his greatest possible score and his actual score?
(b) How many questions did he answer wrongly?
Solution:
![P6 / South View / 2020 / SA2 Prelims / Paper 2 – Q07 [3 marks] Reader Submission #29](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/07/ReaderSub_29-Qns.jpg?resize=400%2C234&ssl=1)