document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=108305>Question 108305</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A principal of $5000 was invested in a savings account for 4 years.  <BR>\n" );
document.write( "If the interest earned for the period was $400, what was the annual interest rate?  <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #78963 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=78963\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I'm assuming compound interest, annually for 4 years.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=P%281%2Br%29%5Et ALIGN=MIDDLE  ALT=\"A=P%281%2Br%29%5Et\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Where A is the value at the end of 4 years. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5000%2B400=5000%281%2Br%29%5Et ALIGN=MIDDLE  ALT=\"5000%2B400=5000%281%2Br%29%5Et\"   DISABLED_style= \"max-width:90%; height:auto;\" >A equals original amount plus interest. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5400=5000%281%2Br%29%5E4 ALIGN=MIDDLE  ALT=\"5400=5000%281%2Br%29%5E4\"   DISABLED_style= \"max-width:90%; height:auto;\" >Divide both sides by 5000.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.08=%281%2Br%29%5E4 ALIGN=MIDDLE  ALT=\"1.08=%281%2Br%29%5E4\"   DISABLED_style= \"max-width:90%; height:auto;\" >Simplify.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.0194=1%2Br ALIGN=MIDDLE  ALT=\"1.0194=1%2Br\"   DISABLED_style= \"max-width:90%; height:auto;\" >Take the fourth root of both sides. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=.0194 ALIGN=MIDDLE  ALT=\"r=.0194\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The interest rate is 1.94%. </SPAN>\n" );
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