document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=155190>Question 155190</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The attendance at a baseball game was 400 people.  Student tickets cost $2 and adult tickets cost $3.  Total ticket sales were $1050.  How many tickets of each type were sold? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #114249 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=114249\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The attendance at a baseball game was 400 people. Student tickets cost $2 and adult tickets cost $3. Total ticket sales were $1050. How many tickets of each type were sold?<BR>\n" );
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document.write( "EQUATIONS:<BR>\n" );
document.write( "Quantity Eq.: s + a = 400<BR>\n" );
document.write( "Value Eq.:   2s + 3a = 1050<BR>\n" );
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document.write( "Modify to use elimination:<BR>\n" );
document.write( "2s + 2a = 800<BR>\n" );
document.write( "2s + 3a = 1050<BR>\n" );
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document.write( "Subtract 1st eq. from the 2nd:<BR>\n" );
document.write( "a = 250 (# of adult tickets sold)<BR>\n" );
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document.write( "Substitute to solve for \"s\":<BR>\n" );
document.write( "s + 250 = 400<BR>\n" );
document.write( "s = 150 (# of students tickets sold)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );