Problem-Solving and Data AnalysisEasyPercent of a group in context
Problem-Solving and Data Analysis practice question
A class of 80 pupils voted on an activity for sports day, and 25% of them chose swimming. How many pupils chose swimming?
Answer: 20
25% is one quarter: 80 ÷ 4 = 20.
Common wrong answers
- If you answered 25
- 25 is the percent, not the number of pupils.
- If you answered 40
- 40 is half the class.
- If you answered 55
- 55 is 80 − 25.
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