document.write( "Question 271565: the ratio of boys to all students in sam middle school is 2:5. there are 123 girls in the school. how many boys in the school? \n" ); document.write( "
Algebra.Com's Answer #198777 by edjones(8007)![]() ![]() You can put this solution on YOUR website! Let y=number of boys. \n" ); document.write( "y/(123+y)=2/5 Proportion \n" ); document.write( "5y=246+2y multiply each side by 5(123+y) to eliminate fractions. \n" ); document.write( "3y=246 \n" ); document.write( "y=82 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |