document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1196613>Question 1196613</A>: <I><SPAN STYLE=\"word-break: break-all;\"> While she was travelling, Zainab took advantage of the convenience of cash withdrawals on her credit card since her Canadian debit card wasn’t accepted in the country she was in.  According to her travel budget she withdrew $125 every day for food, activities and shopping for 21 days. \r<BR>\n" );
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document.write( "When she got home, on the 21st day, she checked her credit card bill on-line and it showed that she had been charged interest already even though her payment wasn’t past due.  It turns out that interest is compounded daily on cash withdrawals, from the day the cash is withdrawn.\r<BR>\n" );
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document.write( "If the interest rate on cash withdrawals is 28%, what was her total bill when she got home? \r<BR>\n" );
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document.write( "What would be the total interest paid? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #829563 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=829563\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "The formula in the post by @greenestamps needs to be corrected.\r<BR>\n" );
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document.write( "The correct formula is\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the sum of daily balances is  &nbsp;&nbsp;<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%2A%28%28r%5E21-1%29%2F%28r-1%29%29 ALIGN=MIDDLE  ALT=\"A%2A%28%28r%5E21-1%29%2F%28r-1%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "with &nbsp;\"r\" &nbsp;defined as  &nbsp;&nbsp;<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1+%2B+0.28%2F365 ALIGN=MIDDLE  ALT=\"1+%2B+0.28%2F365\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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