document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=735166>Question 735166</A>: <I><SPAN STYLE=\"word-break: break-all;\"> IF A= $2400, P= $2100, t=3, solve A=P(1+r)^t for r. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #449344 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=449344\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> IF A= $2400, P= $2100, t=3, solve A=P(1+r)^t for r.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "A=P(1+r)^t<BR>\n" );
document.write( "plug in given values:<BR>\n" );
document.write( "2400 = 2100(1+r)^3<BR>\n" );
document.write( "2400/2100 = (1+r)^3<BR>\n" );
document.write( "8/7 = (1+r)^3<BR>\n" );
document.write( "(8/7)^(1/3) = 1+r<BR>\n" );
document.write( "1.0455 - 1 = r<BR>\n" );
document.write( "0.0455 = r<BR>\n" );
document.write( "or<BR>\n" );
document.write( "4.6% = r\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );