document.write( "Question 998675: The ratio of boys to girls in a school is 3 : 4 .
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document.write( "There are 120 more girls than boys.
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document.write( "How many students are in the school? \n" );
document.write( "
Algebra.Com's Answer #616433 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The ratio of boys to girls in a school is 3 : 4 . \n" ); document.write( "There are 120 more girls than boys. \n" ); document.write( "How many students are in the school? \n" ); document.write( "------- \n" ); document.write( "3:4 is the same as 3x:4x where 3x is the # of boys: 4x is the # of girls \n" ); document.write( "-------- \n" ); document.write( "Equation: \n" ); document.write( "4x = 3x+120 \n" ); document.write( "x = 120 \n" ); document.write( "---- \n" ); document.write( "Ans: 3x+4x = 7x = 7*120 = 840 \n" ); document.write( "----- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------ \n" ); document.write( " |