document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1115871>Question 1115871</A>: <I><SPAN STYLE=\"word-break: break-all;\">  If x dollars is deposited every four weeks (13 times a year) into an account paying an annual interest rate r, expressed in decimal form, then the amount An  in the account after n years can be approximated by the formula An = x 1 + r/13 13n - 1 r/13  . If $50 is deposited every four weeks into an account paying 8% interest, approximate the amount in the account after 8 years.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #730730 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=730730\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "It appears many of the characters you are using in the formula are not printing.  The formula is<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%28n%29+=+x%28%281%2Br%2F13%29%5E%2813n%29-1%29%2F%28r%2F13%29 ALIGN=MIDDLE  ALT=\"A%28n%29+=+x%28%281%2Br%2F13%29%5E%2813n%29-1%29%2F%28r%2F13%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "In your problem, n is the number of years, 8, and r is the annual interest rate, 8% = 0.08.<br><BR>\n" );
document.write( "Plug the numbers into the formula and evaluate....<br><BR>\n" );
document.write( "Depending on the type of calculator you are using, it might be very difficult to evaluate the formula with the given values of x, n, and r in a single step.  I always recommend to students that they do the calculations one small step at a time, something like this:<br><BR>\n" );
document.write( "(1) evaluate 1+r/13<BR>\n" );
document.write( "(2) raise the answer to the power 13n<BR>\n" );
document.write( "(3) subtract 1<BR>\n" );
document.write( "(4) divide by (r/13)<BR>\n" );
document.write( "(5) multiply by x </SPAN>\n" );
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