document.write( "Question 111592: It is estimated that the Earth is losing 4000 species of plants and animals every year. If S represents the number of species living last year, how many species are on Earth each year. \n" ); document.write( "
Algebra.Com's Answer #81382 by stanbon(75887)\"\" \"About 
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It is estimated that the Earth is losing 4000 species of plants and animals every year. If S represents the number of species living last year, how many species are on Earth each year.
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\n" ); document.write( "Let \"x\" be the number of years from now.
\n" ); document.write( "EQUATION:
\n" ); document.write( "# of species on earth = S-4000x
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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