document.write( "Question 712163: \r
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document.write( "In a school of 1620 pupils the ratio of boys to girls is 4:5
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document.write( "How many girls in the school?
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document.write( "Teaching a 10 year old so easy as possible solution \r
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document.write( "Thank you \n" );
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Algebra.Com's Answer #437834 by checkley79(3341) ![]() You can put this solution on YOUR website! 4+5=9 WHICH REPRESENTS ONE GROUP OF STUDENTS. \n" ); document.write( "1620/9=180 TOTAL GROUPS OF STUDENTS \n" ); document.write( "THERE ARE 4 BOYS IN EACH GROUP. \n" ); document.write( "4*180=720 TOTAL BOYS. \n" ); document.write( "THERE ARE 5 GIRLS IN EACH GROUP. \n" ); document.write( "5*180=900 TOTAL GIRLS. \n" ); document.write( "PROOF: \n" ); document.write( "720+900=1620 \n" ); document.write( "1620=1620 \n" ); document.write( "############################################## \n" ); document.write( "HOPE THIS IS AN ADEQUATE SOLUTION METHOD. \n" ); document.write( " |