In an elementary school $$26\%$$ of the students are girls. If there are 240 less girls than boys, then the strength of the school is

Correct Answer: 500

Solution

Girls make up $$26\%$$ of the school, so boys make up $$74\%$$. The difference $$74\% - 26\% = 48\%$$ corresponds to 240 students, so $$1\%$$ is $$240 \div 48 = 5$$ students, and the total strength is $$5 \times 100 = 500$$.

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