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12-02-2015
Mathematics

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3/4 of students in your classroom listen to rap music only. 1/2 of these students are boys. What fraction of students in your classroom are boys who listen to rap music only?

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apologiabiology apologiabiology

12-02-2015

so 3/4 listen to rap
1/2 of these 3/4 are boys
so 1/2 of 3/4

'of' can be translated as 'multiply'
so
3/4 times 1/2=(3*1)/(2*4)=3/8

3/8 are boys and listen to rap

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