+12 In a math contest, every correct answer is worth 3 points and every wrong answer is worth -2 points. If Ralph got 30 questions correctly and answered 10 items incorrectly what was his total points?
In a math contest, every correct answer is worth 3 points and every wrong answer is worth -2 points. If Ralph got 30 questions correctly and answered 10 items incorrectly what was his total points?
correct answers ..... 30 correct @ 3 pts per correct = 90 points
incorrect answers ... 10 incorrect @ –2 pts per incorrect = –20 points
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added together the total points received is 70 points
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