document.write( "Question 1096997: The half-life of zulus is 14 days and they decay exponentially. If Angela begins with 20 zulus, how long will it take until only 5 remain? \n" ); document.write( "

Algebra.Com's Answer #711500 by ikleyn(52782) $\"\"$ $\"About$

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document.write( "In 14 days only half of initial 20 zulus will remain, i.e. 10 zulus will remain\r\n" );
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document.write( "In the next 14 says only half of these 10 zulus will remain, i.e. 5 zulus will remain.\r\n" );
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document.write( "Answer. In 14 + 14 = 28 days.\r\n" );
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