document.write( "Question 792892: there are 900 students in a school. the ratio of boys to girls is 2:1. so how many girls are there ?
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Algebra.Com's Answer #480166 by rfer(16322)\"\" \"About 
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2x+x=900
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\n" ); document.write( "x=900/3
\n" ); document.write( "x=300 girls
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