document.write( "Question 1205144: A bacteria culture is started with 100 bacteria. After 7 hours, the population has grown to 600 bacteria. If the population grows exponentially, find the rate of growth in percent \n" ); document.write( "
Algebra.Com's Answer #841789 by Edwin McCravy(20054)\"\" \"About 
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document.write( "\"A%5Bf%5D=A%5B0%5De%5E%28rt%29\", or whatever letters your teacher/book uses.
A bacteria culture is started with 100 bacteria.
So A0 = 100\r\n" );
document.write( "\"A%5Bf%5D=100e%5E%28rt%29\"
After 7 hours, the population has grown to 600 bacteria.
Af = 600 when t = 7\r\n" );
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document.write( "\"600=100e%5E%28r%2A%287%29%29\"\r\n" );
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document.write( "\"6=e%5E%287r%29\"\r\n" );
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document.write( "\"ln%286%29=7r\"\r\n" );
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document.write( "\"ln%286%29%2F7=r\"\r\n" );
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document.write( "\"0.2559656385=r\"
find the rate of growth in percent
About 25.6%\r\n" );
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document.write( "Edwin
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