SOLUTION: a maths test consists of 20 questions. 3 marks are given for each correct answer, 1 mark is deducted for each incorrect answer. Tim answered all the questions and obtained a score

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Question 912813: a maths test consists of 20 questions. 3 marks are given for each correct answer, 1 mark is deducted for each incorrect answer. Tim answered all the questions and obtained a score of 32. How many answers did Tim get correct
Answer by EdenWolf(517) About Me  (Show Source):
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Tim got 13 correct, giving him 39 marks, and 7 wrong, giving him 32 marks total.