document.write( "Question 137358: The cost, in millions of dollars, to remove x% of pollutin in a lake modeled by
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document.write( "c = 6,000/200 - 2x.\r
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document.write( "3rd question: What is the cost to remove 99% of the pollutant? \n" );
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Algebra.Com's Answer #100493 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The cost, in millions of dollars, to remove x% of pollutin in a lake modeled by \n" ); document.write( "c = 6,000/200 - 2x. \n" ); document.write( "3rd question: What is the cost to remove 99% of the pollutant? \n" ); document.write( "------------------------------ \n" ); document.write( "99 = 6000/(200-2x) \n" ); document.write( "99(200-2x) = 6000 \n" ); document.write( "200-2x = 60.6060 \n" ); document.write( "2x = 139.3930 \n" ); document.write( "x = $69.696969... million \n" ); document.write( "x = $69,696,969.69 \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |