document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1126631>Question 1126631</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tanya brought five adult tickets and one child's ticket to a movie for $31.80. Li brought two adult tickets and five children's tickets for $23.30. Find the cost of one adult ticket and the cost of one children's ticket.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #742965 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=742965\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5a + 1c = 31.80 multiply all times 5<BR>\n" );
document.write( "2a + 5c = 23.30 multiply all times -1 and add<BR>\n" );
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document.write( "25a + 5c = 159<BR>\n" );
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document.write( "-2a +-5c = -23.30<BR>\n" );
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document.write( "23a + 0c = 135.70<BR>\n" );
document.write( "23a = 135.7<BR>\n" );
document.write( "a = 5.90 adult tickets cost 5.90 each<BR>\n" );
document.write( "To find the cost of children's tickets I'll use the first equation:<BR>\n" );
document.write( "5a + 1c = 31.80<BR>\n" );
document.write( "5(5.90) + 1c = 31.80<BR>\n" );
document.write( "29.50 + c = 31.80<BR>\n" );
document.write( "c = 2.30<BR>\n" );
document.write( "Use the 2nd equation to check this answer:<BR>\n" );
document.write( "2a + 5c = 23.30<BR>\n" );
document.write( "2(5.90) + 5(2.30) = <BR>\n" );
document.write( "11.80 + 11.50 = 23.30 Correct<BR>\n" );
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