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11 June, 14:32

Karen missed 9 questions on the math exam. If she missed 20% of the questions, how many questions were on the exam all together?

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Answers (2)
  1. 11 June, 14:49
    0
    Karen missed 9 of the 45 questions on her mathematics exam. The exam had a total of 45 questions.

    Step-by-step explanation:

    If Karen missed 9 questions (which equals 20% of the exam), then she completed 80% of the exam.

    9 questions = 20%

    80% = x

    To solve this, we can divide the number of questions missed (9) by 20%, which equals 45. Thus, Karen's test had a total of 45 questions!
  2. 11 June, 14:56
    0
    There were 45 questions.

    Step-by-step explanation:

    20 out of a hundred is one fifth. this one fifth of the test is nine questions. we want to find the whole number so we do 9 times 5 to get he other 80% which means 45 questions on the test.
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