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?
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Step-by-step explanation:coerect answer points is 3 incorrect answer point is -2 so he scored 30 correct so 30×3 and answered 10 wrong so 10×2 is -20 so 30×3 -20 = 70
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Answer:
70
Step-by-step explanation:
correct answer= 30*3=90 marks
wrong answer= 10*2=20 marks
=90-20=70 marks
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