document.write( "Question 319483: there are 35 students in a class and the ratio of boys to girls is 3:4. How many boys and girls are there in the class?
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Algebra.Com's Answer #228811 by checkley77(12844)\"\" \"About 
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3:4 total=35.
\n" ); document.write( "3n+4n=35
\n" ); document.write( "7n=35
\n" ); document.write( "n=35/7
\n" ); document.write( "n=5 this is the multiplier.
\n" ); document.write( "3*5=15 boys
\n" ); document.write( "4*5=20 girls.
\n" ); document.write( "Proof
\n" ); document.write( "15+20=35
\n" ); document.write( "35=35
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