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6 September, 14:07

A student gets 9 out of 15 problems correct on a homework assignment. What percent of the assignment did the student get incorrect? Enter your answer in the box.

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Answers (2)
  1. 6 September, 14:11
    0
    40% are incorrect

    Step-by-step explanation:

    If 9 are correct then 15-9 = 6

    6 are incorrect

    6/15 = 2/5

    Change to a percent

    2/5 * 20/20 = 40/100

    Percent means out of 100

    40% are incorrect
  2. 6 September, 14:36
    0
    If he got 9 out of 15 correct, he got 6 problems incorrect.

    6/15 is incorrect

    6/15 * 100

    40 % is your answer
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