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8 March, 11:30

Mary needs a 90% on her final exam to get an a for the quarter. The exam has 75 questions how many questions does Mary need to answer correctly in order for her to get an A

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  1. 8 March, 14:04
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    Answer: 68 questions

    Step-by-step explanation:

    Given dа ta:

    Exam questions = 75

    Percentage needed by Mary for the quarter = 90%

    therefore:

    Total number of questions she needs to answer to get an A

    = exam questions x percentage needed / 100

    = 75 * 90 / 100

    = 6570 / 100

    = 67.5

    Approximately Mary needs to answer 68 questions correctly to score an A for the quarter
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