document.write( "Question 964781: in a school there are 560 children, there are 40 boys more than girls, how many girls are there?
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Algebra.Com's Answer #589624 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "g=number of girls; b=number of boys=g+40 \n" ); document.write( "g+b=560 Substitute for b \n" ); document.write( "g+g+40=560 \n" ); document.write( "2g=520 \n" ); document.write( "g=260 ANSWER: There are 260 girls \n" ); document.write( "CHECK: \n" ); document.write( "b=g+40=260+40=300 \n" ); document.write( "g+b=560 \n" ); document.write( "260+300=560 \n" ); document.write( "560=560 \n" ); document.write( " \n" ); document.write( " |