Answer :

Final answer:

To find the percentage of questions Bill answered incorrectly on the test, subtract the number of correct answers from the total questions and calculate the percentage.


Explanation:

Bill got 56 correct answers out of 80 questions on a test. To find the percentage of questions he answered incorrectly, subtract the number of correct answers from the total questions and calculate the percentage.

Number of questions answered incorrectly: 80 - 56 = 24 questions

Percentage of questions answered incorrectly: (24 / 80) x 100% = 30%


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