document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1123392>Question 1123392</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In investing $6,950 of a couple's money, a financial planner put some of it into a savings account paying 4% annual simple interest. The rest was invested in a riskier mini-mall development plan paying 13% annual simple interest. The combined interest earned for the first year was $638. How much money was invested at each rate?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #739697 by </B><A HREF=/tutors/aboutme.mpl?userid=jerryguo41><B>jerryguo41(197)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jerryguo41><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=jerryguo41><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=739697\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The system of equations:<BR>\n" );
document.write( "1. A financial planner put some of it into a savings account paying 4% annual simple interest. The rest was invested in a riskier mini-mall development plan paying 13% annual simple interest. The combined interest earned for the first year was $638.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.04%2AX%2B.13%2AY=638 ALIGN=MIDDLE  ALT=\".04%2AX%2B.13%2AY=638\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "2. investing $6,950 of a couple's money \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X%2BY=6950 ALIGN=MIDDLE  ALT=\"X%2BY=6950\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "System:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.04%2AX%2B.13%2AY=638 ALIGN=MIDDLE  ALT=\".04%2AX%2B.13%2AY=638\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X%2BY=6950 ALIGN=MIDDLE  ALT=\"X%2BY=6950\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Rewrite and Plug-In\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.04%2AX%2B.13%2AY=638 ALIGN=MIDDLE  ALT=\".04%2AX%2B.13%2AY=638\"   DISABLED_style= \"max-width:90%; height:auto;\" > && <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X=6950-Y ALIGN=MIDDLE  ALT=\"X=6950-Y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.04%286950-Y%29%2B.13%2AY=638 ALIGN=MIDDLE  ALT=\".04%286950-Y%29%2B.13%2AY=638\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=278-0.04%2AY%2B0.13%2AY=638 ALIGN=MIDDLE  ALT=\"278-0.04%2AY%2B0.13%2AY=638\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-0.04%2AY%2B0.13%2AY=360 ALIGN=MIDDLE  ALT=\"-0.04%2AY%2B0.13%2AY=360\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.09%2AY=360 ALIGN=MIDDLE  ALT=\"0.09%2AY=360\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Y=360%2F0.09 ALIGN=MIDDLE  ALT=\"Y=360%2F0.09\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Y=4000 ALIGN=MIDDLE  ALT=\"Y=4000\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X=6950-Y ALIGN=MIDDLE  ALT=\"X=6950-Y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X=6950-4000 ALIGN=MIDDLE  ALT=\"X=6950-4000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X=2950 ALIGN=MIDDLE  ALT=\"X=2950\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "$4000 was invested in the risky mini-mall dev plan, while $2950 was invested in the savings account.<BR>\n" );
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