document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=835514>Question 835514</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A hotel has 200 rooms. Those with kitchen facilities rent for $100 per night and those without kitchen<BR>\n" );
document.write( "facilities rent for $80 per night. On a night when the hotel was completely occupied, revenues were<BR>\n" );
document.write( "$17,000. How many of each type of room does the hotel have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #503591 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=503591\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x count rooms without kitchen<BR>\n" );
document.write( "y count rooms WITH kitchen\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2By=200 ALIGN=MIDDLE  ALT=\"x%2By=200\"   DISABLED_style= \"max-width:90%; height:auto;\" >, because all rooms occupied;<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=80x%2B100y=17000 ALIGN=MIDDLE  ALT=\"80x%2B100y=17000\"   DISABLED_style= \"max-width:90%; height:auto;\" >, that night's revenue.\r<BR>\n" );
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document.write( "Simplifying the revenue equation, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8x%2B10y=1700 ALIGN=MIDDLE  ALT=\"8x%2B10y=1700\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%2B5y=850 ALIGN=MIDDLE  ALT=\"4x%2B5y=850\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Use the system:<BR>\n" );
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document.write( "x+y=200<BR>\n" );
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document.write( "4x+5y=850<BR>\n" );
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document.write( "Try Elimination.  Multitply the room count equation by 4, and.... </SPAN>\n" );
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