document.write( "Question 1188423: how long will it take your php 16,000 to be double if invest at 8% simple interest \n" ); document.write( "

Algebra.Com's Answer #819506 by ikleyn(52798) $\"\"$ $\"About$

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document.write( "Write equation as you read the problem\r\n" );
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document.write( "    32000 = 16000 + 16000*0.08*t,\r\n" );
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document.write( "where t is the time (in years).  From the equation\r\n" );
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document.write( "    32000 - 16000 = 16000*0.08*t\r\n" );
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document.write( "        16000 = 16000*0.08*t\r\n" );
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document.write( "        1     =       0.08*t\r\n" );
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document.write( "        t     =       1/0.08 = 12.5.\r\n" );
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document.write( "ANSWER.  In 12.5 years.\r\n" );
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