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Today, 04:01

A student answers 90% of the questions on a math exam correctly. If he answers 18 questions correctly, how many questions are on the exam?

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  1. Today, 04:08
    0
    x=total questions on quiz

    90/100=18/x

    1800=90x

    x=20

    There were 20 questions on the quiz.
  2. Today, 06:42
    0
    There are 20 questions.
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