document.write( "Question 39517: It is estimated that the Earth is losing 4000 species of plants and animals per year. If S represents the number of species living last year year, how many species are on Earth this year.. \n" ); document.write( "
Algebra.Com's Answer #24965 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Look at it this way... \n" ); document.write( "No matter how many species there were last year, you would be subtracting 4000 to get this year's number...if there were 90,000 last year, you'd have 86,000 this year... \n" ); document.write( "Thus if there were S species last year, there would be S - 4000 this year... \n" ); document.write( " |