document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1122512>Question 1122512</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Roberto Invested a total of $10,000 apart at 6% in part and 9% how much did you invest in the lower interest account if the total interest earned in one year was $810? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #738638 by </B><A HREF=/tutors/aboutme.mpl?userid=Shin123><B>Shin123(626)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Shin123><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=Shin123><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=738638\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let a be the amount at 6% and b be the amount at 9%.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%280.06a%2B0.09b=810%2Ca%2Bb=10000%29 ALIGN=MIDDLE  ALT=\"system%280.06a%2B0.09b=810%2Ca%2Bb=10000%29\"   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=system%280.02a%2B0.03b=270%2Ca%2Bb=10000%29 ALIGN=MIDDLE  ALT=\"system%280.02a%2B0.03b=270%2Ca%2Bb=10000%29\"   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=system%28a%2B1.5b=13500%2Ca%2Bb=10000%29 ALIGN=MIDDLE  ALT=\"system%28a%2B1.5b=13500%2Ca%2Bb=10000%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract the 2 equations to get\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.5b=3500 ALIGN=MIDDLE  ALT=\"0.5b=3500\"   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=highlight%28b=7000%29 ALIGN=MIDDLE  ALT=\"highlight%28b=7000%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > That means a equals 10000-7000=3000\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28a=3000%2Cb=7000%29 ALIGN=MIDDLE  ALT=\"system%28a=3000%2Cb=7000%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Check: 3000*0.06=180 7000*0.09=630 180+630=810. Correct! </SPAN>\n" );
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