document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=312695>Question 312695</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this equation:  60=[400/(1+r)^3]. Find the value of r. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #223559 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=223559\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 60 = 400/(r + 1)^3\r<BR>\n" );
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document.write( "60(r + 1)^3 = 400\r<BR>\n" );
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document.write( "60(r^3 + 3r^2 + 3r + 1) = 400\r<BR>\n" );
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document.write( "After doing the math on paper, I got r = 0.88 \r<BR>\n" );
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