document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1174290>Question 1174290</A>: <I><SPAN STYLE=\"word-break: break-all;\"> UNFINISHED\r<BR>\n" );
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document.write( "Mary and Richard worked as a team to solve the following problem.\r<BR>\n" );
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document.write( "        The homecoming dance at Liberty High School happened last Saturday. Many students bought tickets in advance for $5 each. Other students bought tickets at the door for $7 each. In all, 290 students attended the dance and $1790 was the total for all ticket sales. Find out how many students bought tickets in advance and how many bought tickets at the door.\r<BR>\n" );
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document.write( "        Mary decided to use a single variable (x), while Richard decided to use two (x and y). The students defined their variable(s) as shown below.\r<BR>\n" );
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document.write( "        Mary:        x = # of tickets purchased at the door\r<BR>\n" );
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document.write( "                290 � x = # of tickets purchased in advance\r<BR>\n" );
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document.write( "        Richard:        x = # of tickets purchased at the door\r<BR>\n" );
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document.write( "                y = # of tickets purchased in advance\r<BR>\n" );
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document.write( "        As a team, help Mary write a single mathematical equation and help Richard write a system of equations to solve the problem. Solve the problem using each student�s method. Use a Guess and Check table if needed. How can you tell that you are correct? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #799703 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=799703\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x and 290-x is the one variable method<BR>\n" );
document.write( "5x+7(290-x)=1790<BR>\n" );
document.write( "-2x+2030=1790<BR>\n" );
document.write( "-2x=-240<BR>\n" );
document.write( "x=120 at $5 ($600) advance<BR>\n" );
document.write( "290-x=170 at $7 ($1190) at the door<BR>\n" );
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document.write( "x+y=290<BR>\n" );
document.write( "5x+7y=1790<BR>\n" );
document.write( "-5x-5y=-1450<BR>\n" );
document.write( "2x=340<BR>\n" );
document.write( "x=170 at the door or $1190 at the door<BR>\n" );
document.write( "y=120 in advance or $600 advance<BR>\n" );
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