document.write( "Question 991208: In 2008, U.S. companies spent a total of
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document.write( "$118.2 billion on newspaper, television, and magazine
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document.write( "ads. The total amount spent on television ads was
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document.write( "$10.8 billion more than the amount spent on newspaper
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document.write( "and magazine ads together. The amount spent on magazine
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document.write( "ads was $3.5 billion more than the amount spent
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document.write( "on newspaper ads. How much was spent on each form
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document.write( "of advertising? \n" );
document.write( "
Algebra.Com's Answer #611070 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! In 2008, U.S. companies spent a total of \n" ); document.write( "$118.2 billion on newspaper, television, and magazine \n" ); document.write( "ads. \n" ); document.write( "The total amount spent on television ads was \n" ); document.write( "$10.8 billion more than the amount spent on newspaper \n" ); document.write( "and magazine ads together. \n" ); document.write( "The amount spent on magazine ads was $3.5 billion \n" ); document.write( "more than the amount spent on newspaper ads. \n" ); document.write( "-------- \n" ); document.write( "Equations: \n" ); document.write( "n + t + m = 118.2 \n" ); document.write( "t = n + m + 10.8 \n" ); document.write( "m = n + 3.5 \n" ); document.write( "------ \n" ); document.write( "Note:: t = n + n+3.5 + 10.8 = 2n + 14.3 \n" ); document.write( "---- \n" ); document.write( "Substitute for t and m and solve for \"n\":: \n" ); document.write( "n + 2n+14.3 + n + 3.5 = 118.2 \n" ); document.write( "----- \n" ); document.write( "4n + 17.8 = 118.2 \n" ); document.write( "4n = 100.4\r \n" ); document.write( "\n" ); document.write( "How much was spent on each form \n" ); document.write( "of advertising? \n" ); document.write( "-----\r \n" ); document.write( "\n" ); document.write( "n = 25.1B (amt spent on newspaper ads) \n" ); document.write( "Solve for t = 2n+14.3 \n" ); document.write( "Solve for m = n+3.5 \n" ); document.write( "-------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |