document.write( "Question 1113453: A certain car depreciates about 15% each year. The original value of the car is $20,000 what is the function for this and how long will it take for the value of the car to reach 10,000 \n" ); document.write( "
Algebra.Com's Answer #728482 by josgarithmetic(39617)\"\" \"About 
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\"100-15=85\"
\n" ); document.write( "Keeps 85% each year\r
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\n" ); document.write( "\n" ); document.write( "\"20000%280.85%29%5Ex=10000\"\r
\n" ); document.write( "\n" ); document.write( "\"2%280.85%29%5Ex=1\"\r
\n" ); document.write( "\n" ); document.write( "\"0.85%5Ex=1%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"log%28%280.85%5Ex%29%29=log%28%281%2F2%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"x=log%28%281%2F2%29%29%2Flog%28%280.85%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"x=4.265\"\r
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\n" ); document.write( "\n" ); document.write( "4 years 3 months
\n" ); document.write( "(maybe slightly more)
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