document.write( "Question 262183: Every June 1, an ecologist takes a census of the number of wrens in a state park. She noticed that the number is decreasing by 40% each year. If this trend continues, in what year will the census show that the number of wrens is less than 10% of what is was on June 1, 2005?\r
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Algebra.Com's Answer #193134 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "2006 .6x=.6x \n" ); document.write( "2007 .6*.6x= .36x \n" ); document.write( "2008 .6*.6*.6=.216 \n" ); document.write( "2009 .6*.6*.6*.6=.1296 \n" ); document.write( "2010 .6*.6*.6*.6*.6=.077 \n" ); document.write( "so five years later June 2010 \n" ); document.write( ".6^5x<.1x \n" ); document.write( " |