In a 100-question exam, Buse answered 90% of the questions correctly. If he left 3 questions blank, how many questions did he get wrong?

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Answer to a math question In a 100-question exam, Buse answered 90% of the questions correctly. If he left 3 questions blank, how many questions did he get wrong?

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Sigrid

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Buse correct the 90 questions out of 100. He left blank 3 questions. So he did 7 questions wrong.

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