document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=16031>Question 16031</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My daughter is having a tough time understanding math and since I haven't done algebra in years.. I don't know how to help her. She has to solve this word problem using linear systems. Please help.\r<BR>\n" );
document.write( "\n" );
document.write( "You and a friend go to a mexican restaurant. You order 2 tacos and 3 enchiladas, and your friend orders 3 tacos and 6 enchiladas. One bill is $8.00 and the other bill is $15.15. How much was each taco and each enchilada? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #7868 by </B><A HREF=/tutors/aboutme.mpl?userid=askmemath><B>askmemath(368)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=askmemath><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=7868\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the cost of a taco = $t<BR>\n" );
document.write( "and the cost of an enchiladas = $e\r<BR>\n" );
document.write( "\n" );
document.write( "Now the cost of 2tacos and 3 enchiladas = 2t+3e = $8            (1)<BR>\n" );
document.write( "The cost of 3 tacos and 6 enchiladas = 3t+6e = $15.15           (2)\r<BR>\n" );
document.write( "\n" );
document.write( "Multiply (1) with 3 and (2) with 2\r<BR>\n" );
document.write( "\n" );
document.write( "6t+9e = 24                   (3)<BR>\n" );
document.write( "6t+12e = 30.30               (4)\r<BR>\n" );
document.write( "\n" );
document.write( "Subtract (3) from (4)\r<BR>\n" );
document.write( "\n" );
document.write( "6t+12e-(6t+9e) = 30.30  -24\r<BR>\n" );
document.write( "\n" );
document.write( "3e = 6.30<BR>\n" );
document.write( "Dividing by 3 throughout<BR>\n" );
document.write( "e = $2.10<BR>\n" );
document.write( "Substituting in any equation we get  t = $0.85 \r<BR>\n" );
document.write( "\n" );
document.write( "Do let me know if I wasnt clear enough anywhere </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );