document.write( "Question 1139321: A bicycle loses its value each month after it is purchased. It’s value as a function of time, in months, is modelled by V(m)=2200(0.98)^m. In which month after it is purchased does the bicycles worth fall below $1,500? \r
\n" ); document.write( "\n" ); document.write( "17
\n" ); document.write( "15
\n" ); document.write( "18
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Algebra.Com's Answer #760015 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( " \"V%28m%29=2200%280.98%29%5Em\"\r
\n" ); document.write( "\n" ); document.write( "if \"V%28m%29=1500\", we have:\r
\n" ); document.write( "\n" ); document.write( "\"1500=2200%280.98%29%5Em\"\r
\n" ); document.write( "\n" ); document.write( "\"%280.98%29%5Em=1500%2F2200\"\r
\n" ); document.write( "\n" ); document.write( "\"%280.98%29%5Em=15%2F22\"\r
\n" ); document.write( "\n" ); document.write( "\"ln%28%280.98%29%5Em%29=ln%2815%2F22%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m%2Aln%2898%2F100%29=ln%2815%2F22%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=ln%2815%2F22%29%2Fln%2898%2F100%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=%28-0.38299%29%2F%28-0.0202027%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=18.96\" months => \"18\" full months\r
\n" ); document.write( "\n" ); document.write( "=> answer:\"18\"\r
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