document.write( "Question 670757: the ratio of boys to girls in a class is 2:3 if there are 18 girls in the class, how many boy are there \n" ); document.write( "
Algebra.Com's Answer #417089 by checkley79(3341)\"\" \"About 
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2/3=x/18 cross multiply.
\n" ); document.write( "3x=2*18
\n" ); document.write( "3x=36
\n" ); document.write( "x=36/3
\n" ); document.write( "x=12 the number of boys.
\n" ); document.write( "Prof:
\n" ); document.write( "2/3=12/18 reduce right hand fraction.
\n" ); document.write( "2/3=2/3
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