document.write( "Question 251933: The consumption of cigarettes is declining. If t represents the number of years since 1985, then the consumption, C, is modeled by
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document.write( "C=-14.25t+598.69
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document.write( "where C represents the number of billions of cigarettes smoked per year.
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document.write( "Write an inequality to show the first year cigarette consumption is less than 200 billion cigarettes a year \n" );
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Algebra.Com's Answer #183653 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The consumption of cigarettes is declining. If t represents the number of years since 1985, then the consumption, C, is modeled by \n" ); document.write( "C=-14.25t+598.69\r \n" ); document.write( "\n" ); document.write( "where C represents the number of billions of cigarettes smoked per year. \n" ); document.write( "Write an inequality to show the first year cigarette consumption is less than 200 billion cigarettes a year \n" ); document.write( "=================== \n" ); document.write( "Inequality: \n" ); document.write( "-14.25t + 598.69 < 200 \n" ); document.write( "14.25t > 598.69-200 \n" ); document.write( "14.25t > 398.69 \n" ); document.write( "t > 27.97 years\r \n" ); document.write( "\n" ); document.write( "---- \n" ); document.write( "1985 + 27.97 = 2012.97 \n" ); document.write( "Rounding up the year would be 2013 \n" ); document.write( "=============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |