document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1067791>Question 1067791</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You invested a total of $15,000 at 3% and<BR>\n" );
document.write( "4.5%<BR>\n" );
document.write( "simple interest. During one year, the two accounts earned $600. How much did you invest in each account? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #682953 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=682953\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P%5B1%5D+ ALIGN=MIDDLE  ALT=\"+P%5B1%5D+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = amount invested @ 3%<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P%5B2%5D+=+15000+-+P%5B1%5D+ ALIGN=MIDDLE  ALT=\"+P%5B2%5D+=+15000+-+P%5B1%5D+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = amount invested @ 4.5%<BR>\n" );
document.write( "----------------------------------------<BR>\n" );
document.write( "Use <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I+=+P%2Ar%2At+ ALIGN=MIDDLE  ALT=\"+I+=+P%2Ar%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+1+ ALIGN=MIDDLE  ALT=\"+t+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" > yr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5B1%5D+=+.03+ ALIGN=MIDDLE  ALT=\"+r%5B1%5D+=+.03+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5B2%5D+=+.045+ ALIGN=MIDDLE  ALT=\"+r%5B2%5D+=+.045+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B1%5D+%2B+I%5B2%5D+=+600+ ALIGN=MIDDLE  ALT=\"+I%5B1%5D+%2B+I%5B2%5D+=+600+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B1%5D+=+P%5B1%5D%2Ar%5B1%5D%2At+ ALIGN=MIDDLE  ALT=\"+I%5B1%5D+=+P%5B1%5D%2Ar%5B1%5D%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B1%5D+=+P%5B1%5D%2A.03%2A1+ ALIGN=MIDDLE  ALT=\"+I%5B1%5D+=+P%5B1%5D%2A.03%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B1%5D+=+.03P%5B1%5D+ ALIGN=MIDDLE  ALT=\"+I%5B1%5D+=+.03P%5B1%5D+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B2%5D+=+P%5B2%5D%2A.045%2A1+ ALIGN=MIDDLE  ALT=\"+I%5B2%5D+=+P%5B2%5D%2A.045%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+600+-+I%5B1%5D+=+.045%2A%28+15000+-+P%5B1%5D+%29%0D%0A%7B%7B%7B+600+-+I%5B1%5D+=+675+-+.045%2AP%5B1%5D+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "By substitution:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+600+-+.03P%5B1%5D+=+675+-+.045%2AP%5B1%5D+ ALIGN=MIDDLE  ALT=\"+600+-+.03P%5B1%5D+=+675+-+.045%2AP%5B1%5D+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.015P%5B1%5D+=+75+ ALIGN=MIDDLE  ALT=\"+.015P%5B1%5D+=+75+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P%5B1%5D+=+5000+ ALIGN=MIDDLE  ALT=\"+P%5B1%5D+=+5000+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P%5B2%5D+=+15000+-+P%5B1%5D+ ALIGN=MIDDLE  ALT=\"+P%5B2%5D+=+15000+-+P%5B1%5D+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P%5B2%5D+=+15000+-+5000+ ALIGN=MIDDLE  ALT=\"+P%5B2%5D+=+15000+-+5000+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P%5B2%5D+=+10000+ ALIGN=MIDDLE  ALT=\"+P%5B2%5D+=+10000+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "$5,000 = amount invested @ 3%<BR>\n" );
document.write( "$10,000 = amount invested @ 4.5%<BR>\n" );
document.write( "-----------------------------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B1%5D+=+.03P%5B1%5D+ ALIGN=MIDDLE  ALT=\"+I%5B1%5D+=+.03P%5B1%5D+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B1%5D+=+.03%2A5000+ ALIGN=MIDDLE  ALT=\"+I%5B1%5D+=+.03%2A5000+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B1%5D+=+150+ ALIGN=MIDDLE  ALT=\"+I%5B1%5D+=+150+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B2%5D+=+P%5B2%5D%2A.045%2A1+ ALIGN=MIDDLE  ALT=\"+I%5B2%5D+=+P%5B2%5D%2A.045%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B2%5D+=+.045%2A10000+ ALIGN=MIDDLE  ALT=\"+I%5B2%5D+=+.045%2A10000+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B2%5D+=+450+ ALIGN=MIDDLE  ALT=\"+I%5B2%5D+=+450+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I%5B1%5D+%2B+I%5B2%5D+=+600+ ALIGN=MIDDLE  ALT=\"+I%5B1%5D+%2B+I%5B2%5D+=+600+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+150+%2B+450+=+600+ ALIGN=MIDDLE  ALT=\"+150+%2B+450+=+600+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+600+=+600+ ALIGN=MIDDLE  ALT=\"+600+=+600+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );