document.write( "Question 327111: How much money would I have if I invest 20,000 at 8% annually and I added 100 dollars per month at the end of 20 years. \n" ); document.write( "
Algebra.Com's Answer #234277 by nyc_function(2741)\"\" \"About 
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P is the principal (the initial amount you borrow or deposit)\r
\n" ); document.write( "\n" ); document.write( "r is the annual rate of interest (percentage)\r
\n" ); document.write( "\n" ); document.write( "n is the number of years the amount is deposited or borrowed for.\r
\n" ); document.write( "\n" ); document.write( "A is the amount of money accumulated after n years, including interest.\r
\n" ); document.write( "\n" ); document.write( "When the interest is compounded once a year:\r
\n" ); document.write( "\n" ); document.write( "A = P(1 + r)^n\r
\n" ); document.write( "\n" ); document.write( "A = 20,000(1 + 0.08)^20\r
\n" ); document.write( "\n" ); document.write( "A = 20,000(4.660957144)\r
\n" ); document.write( "\n" ); document.write( "A = 93219.14288 + $100 for 20 years or $2000\r
\n" ); document.write( "\n" ); document.write( "A = 97219.14288 or about $97,219\r
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