document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=883931>Question 883931</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Help!<BR>\n" );
document.write( "Joe Borowski invested $5700 in a mutual fund one year ago. During the year, his fund increased in value by $313.50. What interest rate has Joe's investment earned? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #533864 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=533864\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Assuming simple interest,\r<BR>\n" );
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document.write( "I = P*r*t\r<BR>\n" );
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document.write( "313.50 = 5700*r*1\r<BR>\n" );
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document.write( "313.50 = 5700*r\r<BR>\n" );
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document.write( "313.50/5700 = r\r<BR>\n" );
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document.write( "0.055 = r\r<BR>\n" );
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document.write( "r = 0.055\r<BR>\n" );
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document.write( "Which means the fund has an interest rate of <font color=\"red\">5.5%</font> (simple interest) </SPAN>\n" );
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