document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=970699>Question 970699</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Rhianna invests $1200 in stock and bonds. The stock pays 9% interest and the bonds pay 6% interest. If the total ANNUAL interest is $96, how much is invested in the stock alone?<BR>\n" );
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document.write( "A)<BR>\n" );
document.write( "	$400 	<BR>\n" );
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document.write( "B)<BR>\n" );
document.write( "	$500 	<BR>\n" );
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document.write( "C)<BR>\n" );
document.write( "	$700 	<BR>\n" );
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document.write( "D)<BR>\n" );
document.write( "	$800  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #593316 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=593316\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "Rhianna invests $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1200 ALIGN=MIDDLE  ALT=\"1200\"   DISABLED_style= \"max-width:90%; height:auto;\" > in stock <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s ALIGN=MIDDLE  ALT=\"s\"   DISABLED_style= \"max-width:90%; height:auto;\" > and bonds <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b ALIGN=MIDDLE  ALT=\"b\"   DISABLED_style= \"max-width:90%; height:auto;\" >. \r<BR>\n" );
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document.write( "The stock pays <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9%25+ ALIGN=MIDDLE  ALT=\"9%25+\"   DISABLED_style= \"max-width:90%; height:auto;\" > =<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.09 ALIGN=MIDDLE  ALT=\"0.09\"   DISABLED_style= \"max-width:90%; height:auto;\" > interest and the bonds pay <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%25 ALIGN=MIDDLE  ALT=\"6%25\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.06 ALIGN=MIDDLE  ALT=\"0.06\"   DISABLED_style= \"max-width:90%; height:auto;\" > interest.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.09s+%2B+.06b+=+96 ALIGN=MIDDLE  ALT=\".09s+%2B+.06b+=+96\"   DISABLED_style= \"max-width:90%; height:auto;\" >.........eq.1<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s+%2B+b+=+1200 ALIGN=MIDDLE  ALT=\"s+%2B+b+=+1200\"   DISABLED_style= \"max-width:90%; height:auto;\" >.........eq.2<BR>\n" );
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document.write( "from eq.2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b+=+1200-s ALIGN=MIDDLE  ALT=\"b+=+1200-s\"   DISABLED_style= \"max-width:90%; height:auto;\" >.......substitute in eq.1\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.09s%2B+.06%281200-s%29++=+96 ALIGN=MIDDLE  ALT=\".09s%2B+.06%281200-s%29++=+96\"   DISABLED_style= \"max-width:90%; height:auto;\" >.............solve for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s ALIGN=MIDDLE  ALT=\"s\"   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=.09s%2B+72-0.06s++=+96 ALIGN=MIDDLE  ALT=\".09s%2B+72-0.06s++=+96\"   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=.09s-0.06s++=+96-72 ALIGN=MIDDLE  ALT=\".09s-0.06s++=+96-72\"   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=.03s++=+24 ALIGN=MIDDLE  ALT=\".03s++=+24\"   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=s++=+24%2F0.03 ALIGN=MIDDLE  ALT=\"s++=+24%2F0.03\"   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=s++=+2400%2F3 ALIGN=MIDDLE  ALT=\"s++=+2400%2F3\"   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=s++=+800 ALIGN=MIDDLE  ALT=\"s++=+800\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " If the total ANNUAL interest is $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=I=96 ALIGN=MIDDLE  ALT=\"I=96\"   DISABLED_style= \"max-width:90%; height:auto;\" >, in the stock alone  is invested $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+highlight%28800%29 ALIGN=MIDDLE  ALT=\"+highlight%28800%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "then, in the bond is  invested $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1200-800=400 ALIGN=MIDDLE  ALT=\"+1200-800=400\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "check:\r<BR>\n" );
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document.write( "The stock pays <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9%25+ ALIGN=MIDDLE  ALT=\"9%25+\"   DISABLED_style= \"max-width:90%; height:auto;\" > of $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+800 ALIGN=MIDDLE  ALT=\"+800\"   DISABLED_style= \"max-width:90%; height:auto;\" >:\r<BR>\n" );
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document.write( "$<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+800%2A0.09=72 ALIGN=MIDDLE  ALT=\"+800%2A0.09=72\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The bond pays <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%25+ ALIGN=MIDDLE  ALT=\"6%25+\"   DISABLED_style= \"max-width:90%; height:auto;\" > of $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+400 ALIGN=MIDDLE  ALT=\"+400\"   DISABLED_style= \"max-width:90%; height:auto;\" >:\r<BR>\n" );
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document.write( "$<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+400%2A0.06=24 ALIGN=MIDDLE  ALT=\"+400%2A0.06=24\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "then, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=72%2B24=96 ALIGN=MIDDLE  ALT=\"72%2B24=96\"   DISABLED_style= \"max-width:90%; height:auto;\" > which confirms our solution\r<BR>\n" );
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document.write( "so, answer is <BR>\n" );
document.write( "D)<BR>\n" );
document.write( "$<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=800 ALIGN=MIDDLE  ALT=\"800\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " <BR>\n" );
document.write( " </SPAN>\n" );
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