document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=561721>Question 561721</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help setting up an equation for a word problem and solving it.  I have to use a formula p*r*t=I  can you help me?  \r<BR>\n" );
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document.write( "Irma invests $2600 in a corporate bond paying 8.4% interest per year.  at what rate must she invest an additional $1800 so that her annual interest will be $339?\r<BR>\n" );
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document.write( "Can you please help me with this? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #364360 by </B><A HREF=/tutors/aboutme.mpl?userid=TutorDelphia><B>TutorDelphia(193)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TutorDelphia><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=TutorDelphia><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=364360\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I=p*r*t\r<BR>\n" );
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document.write( "Irma invests $2600 (p) in a corporate bond paying 8.4% (r) interest per year.<BR>\n" );
document.write( "I=2600*.084*1<BR>\n" );
document.write( "I=218.4<BR>\n" );
document.write( "I'm using 1 for time since it says annual interest later.\r<BR>\n" );
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document.write( "So far her interest is $218.40. She needs 339 so that's $120.60 interest from her other investment<BR>\n" );
document.write( "120.60=1800*r*1<BR>\n" );
document.write( ".067=r<BR>\n" );
document.write( "So she needs a rate of 6.7% </SPAN>\n" );
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