document.write( "Question 411182: the ratio of children to adult is 7:3, and there are 820 people. how many are children?\r
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document.write( "please explain...and thank you!! \n" );
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Algebra.Com's Answer #289025 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! I can say: \n" ); document.write( "(children)/(adults) = 7/3 \n" ); document.write( "I can also say: \n" ); document.write( "(children)/(children + adults) = 7/(7 +3) \n" ); document.write( "and \n" ); document.write( "(adults)/(children + adults) = 3/(7 + 3) \n" ); document.write( "------------------- \n" ); document.write( "I'm told that children + adults = 820 \n" ); document.write( "therefore \n" ); document.write( " \n" ); document.write( "and \n" ); document.write( " \n" ); document.write( "--------------- \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "and \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "There are 574 children \n" ); document.write( "check answer: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "OK \n" ); document.write( " |