document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1107516>Question 1107516</A>: <I><SPAN STYLE=\"word-break: break-all;\"> suppose your school is having a dinner to raise money for new music and art supplies. You estimate that 200 children and 150 adults will attend. write an equation to find what ticket prices you should set to raise $900?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #722549 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=722549\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Children can come to dinner for free.\r<BR>\n" );
document.write( "\n" );
document.write( "c, child price, 0<BR>\n" );
document.write( "a, adult price, a\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200%2A0%2B150a=900 ALIGN=MIDDLE  ALT=\"200%2A0%2B150a=900\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=6 ALIGN=MIDDLE  ALT=\"a=6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "-\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Children not come for free?<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200c%2B150a=900 ALIGN=MIDDLE  ALT=\"200c%2B150a=900\"   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=20c%2B15a=90 ALIGN=MIDDLE  ALT=\"20c%2B15a=90\"   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=highlight_green%284c%2B3a=18%29 ALIGN=MIDDLE  ALT=\"highlight_green%284c%2B3a=18%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----this is all you can do unless there are other facts to use.  a and c will be greater than 0, and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%3Ec ALIGN=MIDDLE  ALT=\"a%3Ec\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "You CAN look for whole-number combinations that fit the equation such that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%3Ec ALIGN=MIDDLE  ALT=\"a%3Ec\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3a=-4c%2B18 ALIGN=MIDDLE  ALT=\"3a=-4c%2B18\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28a=-%284%2F3%29c%2B6%29 ALIGN=MIDDLE  ALT=\"highlight_green%28a=-%284%2F3%29c%2B6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "If vertical axis is adults price and horizontal axis is children price,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C400%2C-1%2C7%2C-1%2C7%2C-%284%2F3%29x%2B6%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C400%2C-1%2C7%2C-1%2C7%2C-%284%2F3%29x%2B6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "You can also accept rational values in addition to maybe whole numbers, and pick <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%3C2 ALIGN=MIDDLE  ALT=\"c%3C2\"   DISABLED_style= \"max-width:90%; height:auto;\" > and find the corresponding a. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );