document.write( "Question 880966: Les Hinckle made a deposit in the bank on January 1, 2005. The banks pays interest at the rate of 8% compounded annually. On January 1, 2012, the deposit has accumulated to $30,000. How much money did Les originally deposit on January 1, 2005? \n" ); document.write( "
Algebra.Com's Answer #531846 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Les Hinckle made a deposit in the bank on January 1, 2005. The banks pays interest at the rate of 8% compounded annually. On January 1, 2012, the deposit has accumulated to $30,000. How much money did Les originally deposit on January 1, 2005? \n" ); document.write( "*** \n" ); document.write( "Compound interest formula: A=P(1+i)^n, P=initial investment, i=interest per compounding period, n=number of periods, A=amount after n-periods. \n" ); document.write( "For given problem: \n" ); document.write( "i=8%=.08 \n" ); document.write( "n=7 \n" ); document.write( "A=$30,000 \n" ); document.write( ".. \n" ); document.write( " A=P(1+i)^n \n" ); document.write( "30000=P(1+.08)^7=P(1.08)^7 \n" ); document.write( "P=30000/(1.08)^7=17505 \n" ); document.write( "How much money did Les originally deposit on January 1, 2005? $17,505 \n" ); document.write( " |