There are 20 questions in a quiz. Each correct answer scores 7 points, each wrong
answer scores -- 4 points, and each question left blank scores 0 points. Eric took the quiz and scored 100 points. How many questions did he leave blank?
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Step-by-step explanation:
There are 20 questions in a quiz. Each correct answer scores 7 points, each wrong
answer scores -- 4 points, and each question left blank scores 0 points. Eric took the quiz and scored 100 points. How many questions did he leave blank?
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3
Answer:
she left 2 questions blank because if 7 *20 :-140 so if she leaves 2 blank then no points given and lost of 40 points so 2 question she left blank
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