document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=791149>Question 791149</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone help me solve this?<BR>\n" );
document.write( "Type of Problem: Applications of Linear Systems\r<BR>\n" );
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document.write( "Solve the problem by using a system of equations.<BR>\n" );
document.write( "The school student council voted to go to a baseball game for their annual trip. They bought 30 tickets. Some of the tickets cost $21 each, and some cost $27 each. The total cost of all the tickets was $696. How many of the $21 tickets did they buy? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #479404 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=479404\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x + y = 30<BR>\n" );
document.write( "x = (30-y)<BR>\n" );
document.write( "21*(30-y) +27y = 696<BR>\n" );
document.write( "630 -21y +27y = 696<BR>\n" );
document.write( "6y = 66<BR>\n" );
document.write( "y = 11<BR>\n" );
document.write( "x = 30 -11 = 19<BR>\n" );
document.write( "19, $21 tickets were bought<BR>\n" );
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