document.write( "Question 1122443: The ratio of boys to girls in a class is 7:5. There are 36 students in the class. How many students are girls?
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Algebra.Com's Answer #738566 by ikleyn(52835) $\"\"$ $\"About$

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document.write( "In all, there are 7+5 = 12 equal groups of students in the class, that in total make 36 people.\r\n" );
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document.write( "So there are 3 students in each small group.\r\n" );
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document.write( "Answer.  There are 7*3 = 21 boys and 5*3 = 15 girls.\r\n" );
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