document.write( "Question 1112939: Can someone tell me where l am going wrong cause l can not get the answer that correlates to the ones l am given.\r
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\n" ); document.write( "\n" ); document.write( "John wants to start saving for an apartment. On his 20th birthday, he starts depositing R500 per week into
\n" ); document.write( "a bank account with an annual interest rate of 8%, compounded weekly. He will continue to make these
\n" ); document.write( "weekly payments until the day of his 29th birthday. How much money will he have saved by then to finance
\n" ); document.write( "the purchase of an apartment?
\n" ); document.write( "[1] R397 856,29
\n" ); document.write( "[2] R166 717,97
\n" ); document.write( "[3] R78 714,77
\n" ); document.write( "[4] R342 321,48\r
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\n" ); document.write( "\n" ); document.write( "A = 500 x [(1+(0.08/52)^(52 x 9)) - 1]/(0.08/52)
\n" ); document.write( "= 500 x [(1.0015^468) – 1]/0.00153
\n" ); document.write( "= 500 x 1.0167/0.00153
\n" ); document.write( "= 500 x 664.51
\n" ); document.write( "= 332,255\r
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Algebra.Com's Answer #727981 by ikleyn(52814)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "You count 9*52 = 468 weeks in 9 years.\r
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\n" ); document.write( "\n" ); document.write( "I count 469 weeks.\r
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\n" ); document.write( "\n" ); document.write( "About such details,  wise people say\r
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document.write( "    \"read attentively what is written by small font in the bank agreement. . .\"\r\n" );
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\n" ); document.write( "\n" ); document.write( "Also,  it is  \"Annuity Due\"  account,  when the money are invested at the  BEGINNING  of each compound period - it has its own features\r
\n" ); document.write( "\n" ); document.write( "comparing with usual  \"Ordinary annuity\" . . . \r
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\n" ); document.write( "\n" ); document.write( "See my lesson\r
\n" ); document.write( "\n" ); document.write( "    - Annuity Due saving plans and geometric progressions\r
\n" ); document.write( "\n" ); document.write( "in this site.  You will see the additional factor  \"%281%2B0.08%2F52%29\"  there,  which makes the  \"Annuity Due\"  plan distinctive from the  \"Ordinary annuity\"  plan. \r
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\n" ); document.write( "\n" ); document.write( "I am not a financial specialist and look in this problem as a Math person only.\r
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