Anna and James do maths practice questions every day. One day, Anna answered 55% of the questions correctly while James answered 33% of them correctly. How much better did Anna perform than James?Express your answer as a percentage of James's score, rounded to the nearest whole number.
Question
Anna and James do maths practice questions every day. One day, Anna answered 55% of the questions correctly while James answered 33% of them correctly. How much better did Anna perform than James?Express your answer as a percentage of James's score, rounded to the nearest whole number.
Solution
To solve this problem, we need to find out how much better Anna performed than James in terms of percentage.
Here are the steps:
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First, we need to find the difference in their performance. Anna answered 55% of the questions correctly and James answered 33% correctly. So, the difference is 55% - 33% = 22%.
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Next, we need to express this difference as a percentage of James's score. To do this, we divide the difference by James's score and then multiply by 100%. So, (22% / 33%) * 100% = 66.67%.
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Finally, we round this to the nearest whole number. So, Anna performed approximately 67% better than James.
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