document.write( "Question 1148631: Braun invested R8350 in an account that pays simple interest.AFter six years,the accumulated amount was R12859.what was the simple interest rate on this investment? \n" ); document.write( "

Algebra.Com's Answer #769983 by ikleyn(52788) $\"\"$ $\"About$

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document.write( "8350 + 8350*r*6 = 12859    dollars\r\n" );
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document.write( "8350*6*r        = 12859 - 8350\r\n" );
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document.write( "8350*6*r        = 4509\r\n" );
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document.write( "r               =  = 0.09.\r\n" );
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document.write( "ANSWER.  Simple interest rate is 9% per annum.\r\n" );
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