document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1110122>Question 1110122</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose in one year, total revenues from digital sales of pop/rock, tropical (salsa/merengue/cumbia/bachata), and urban (reggaeton) Latin music in a certain country amounted to $21 million. Pop/rock music brought in twice as much as the other two categories combined and $9 million more than tropical music. How much revenue was earned from digital sales in each of the three categories? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #725208 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=725208\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> p, pop/rock<BR>\n" );
document.write( "t, tropical<BR>\n" );
document.write( "u, urban\r<BR>\n" );
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document.write( "Done as millions<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28p%2Bt%2Bu=21%2Cp=2%28t%2Bu%29%2Cp=t%2B9%29 ALIGN=MIDDLE  ALT=\"system%28p%2Bt%2Bu=21%2Cp=2%28t%2Bu%29%2Cp=t%2B9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Second Equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%2Bu=p%2F2 ALIGN=MIDDLE  ALT=\"t%2Bu=p%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( "Substitute for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%2Bu ALIGN=MIDDLE  ALT=\"t%2Bu\"   DISABLED_style= \"max-width:90%; height:auto;\" > in the total revenue, First equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=p%2Bp%2F2=21 ALIGN=MIDDLE  ALT=\"p%2Bp%2F2=21\"   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=2p%2Bp=42 ALIGN=MIDDLE  ALT=\"2p%2Bp=42\"   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=3p=42 ALIGN=MIDDLE  ALT=\"3p=42\"   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%28p=14%29 ALIGN=MIDDLE  ALT=\"highlight%28p=14%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "-\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=p-9 ALIGN=MIDDLE  ALT=\"t=p-9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=14-9 ALIGN=MIDDLE  ALT=\"t=14-9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28t=5%29 ALIGN=MIDDLE  ALT=\"highlight%28t=5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "-\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2t%2B2u=p ALIGN=MIDDLE  ALT=\"2t%2B2u=p\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=u=%28p-2t%29%2F2 ALIGN=MIDDLE  ALT=\"u=%28p-2t%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=u=%2814-2%2A5%29%2F2 ALIGN=MIDDLE  ALT=\"u=%2814-2%2A5%29%2F2\"   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%28u=2%29 ALIGN=MIDDLE  ALT=\"highlight%28u=2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "-<BR>\n" );
document.write( "SUMMARY<BR>\n" );
document.write( "p, pop/rock, 14 million<BR>\n" );
document.write( "t, tropical, 5  million<BR>\n" );
document.write( "u, urban,   2   million </SPAN>\n" );
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