document.write( "Question 137357: The cost, in millions of dollars, to remove x% of pollution in a lake modeled by
\n" ); document.write( " C = 6,000/ 200 - 2x.\r
\n" ); document.write( "\n" ); document.write( "2nd question: What is the cost to remove 90% of the pollutant?
\n" ); document.write( "

Algebra.Com's Answer #100497 by oscargut(2103)\"\" \"About 
You can put this solution on YOUR website!
C = 6,000/ (200 - 2(90))=6000/20=300
\n" ); document.write( "Answer: the cost is 300 millions dollars
\n" ); document.write( "
\n" );