A test is scored by giving 6 points for each correct answer and -1 for each incorrect answer. To obtain an acceptable score, a student must answer at least 70 questions and attain a score of at least 220 points. Express this information with inequalities. (Let the x refer to the number of correct answers and the y refer to the number of incorrect answers.) questions answered X total score 6x - y > 220 correct answers X incorrect answers y 20