document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=953251>Question 953251</A>: <I><SPAN STYLE=\"word-break: break-all;\"> at a concession stand, 7 hotdogs and 2 hamburgers cost a total of $14.50; two hot dogs and 7 hamburgers cost a total of $17.00. find the cost of one hot dog and one hamburger </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #582102 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=582102\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x=cost of hamburger; y=cost of hot dog<BR>\n" );
document.write( "2x+7y=$14.50 Multiply this equation by 7.<BR>\n" );
document.write( "14x+49y=$101.50<BR>\n" );
document.write( "7x+2y=$17.00 Multiply this equation by 2.<BR>\n" );
document.write( "14x+4y=$34.00 Subtract this from first result.<BR>\n" );
document.write( "45y=$67.50 Divide each side by 45.<BR>\n" );
document.write( "y=$1.50 ANSWER 1: hot dogs cost $1.50.<BR>\n" );
document.write( "7x+2y=$17.00 Plug in y<BR>\n" );
document.write( "7x+2($1.50)=$17.00<BR>\n" );
document.write( "7x+$3.00=$17.00<BR>\n" );
document.write( "7x=$14.00<BR>\n" );
document.write( "x=$2.00 ANSWER 2: Hamburgers cost $2.00.<BR>\n" );
document.write( "CHECK:<BR>\n" );
document.write( "2x+7y=$14.50<BR>\n" );
document.write( "2($2.00)+7($1.50)=$14.50<BR>\n" );
document.write( "$4.00+$10.50=$14.50<BR>\n" );
document.write( "$14.50=$14.50<BR>\n" );
document.write( " </SPAN>\n" );
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