Eddie took a test of 20 questions. The test was graded by giving 10 points for each correct answer and deducting 5 points for each incorrect answer. Eddie answered all 20 questions and received a score of 125. How many wrong answers did he have?
Eddie took a test of 20 questions. The test was graded by giving 10 points for each correct answer and deducting 5 points for each incorrect answer. Eddie answered all 20 questions and received a score of 125. How many wrong answers did he have?