document.write( "Question 697434: A laptop computer is purchased for $1200 . Each year, its value is 70% of its value the year before. After how many years will the laptop computer be worth $300 or less? \r
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\n" ); document.write( "\n" ); document.write( "Write the answer as a whole number.
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Algebra.Com's Answer #429990 by rfer(16322)\"\" \"About 
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1200*0.70=840
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\n" ); document.write( "588*0.70=411.60
\n" ); document.write( "411.60*0.70=288.12
\n" ); document.write( "Four years
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