On a final exam, a student answered 96 out of 120 problems correctly. What percentage of the problems did she answer INCORRECTLY?

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Multiple Choice

On a final exam, a student answered 96 out of 120 problems correctly. What percentage of the problems did she answer INCORRECTLY?

Explanation:
To find the percentage answered incorrectly, compare how many were wrong to the total. The student missed 120 − 96 = 24 problems. So the incorrect portion is 24/120, which simplifies to 1/5. Converting to a percentage gives 20%. Therefore, she answered 20% of the problems incorrectly.

To find the percentage answered incorrectly, compare how many were wrong to the total. The student missed 120 − 96 = 24 problems. So the incorrect portion is 24/120, which simplifies to 1/5. Converting to a percentage gives 20%. Therefore, she answered 20% of the problems incorrectly.

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