document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=942864>Question 942864</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 750 tickets were sold for a rock concert with a total revenue of $5,300. If granite tickets cost $8 each and limestone tickets cost $4.50 each, how many of each type of tickets 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 #574830 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=574830\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = number of granite tickets<BR>\n" );
document.write( "y = number of limestone tickets<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x + y = 750<BR>\n" );
document.write( "8x + 4.50y = 5300<BR>\n" );
document.write( "---<BR>\n" );
document.write( "put the system of linear equations into standard form<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x + y = 750<BR>\n" );
document.write( "8x + 4.50y = 5300<BR>\n" );
document.write( "---<BR>\n" );
document.write( "copy and paste the above standard form linear equations in to this solver:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "solution:<BR>\n" );
document.write( "x = 550<BR>\n" );
document.write( "y = 200<BR>\n" );
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document.write( "now by elimination:<BR>\n" );
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document.write( "(x + y = 750)*(-4.50)<BR>\n" );
document.write( "8x + 4.50y = 5300<BR>\n" );
document.write( "---<BR>\n" );
document.write( "-4.50x - 4.50y = 750*(-4.50)<BR>\n" );
document.write( "8x + 4.50y = 5300<BR>\n" );
document.write( "---<BR>\n" );
document.write( "add the two above equations:<BR>\n" );
document.write( "---<BR>\n" );
document.write( "8x + -4.50x = 5300 + 750*(-4.50)<BR>\n" );
document.write( "(8 - 4.50)x = 5300 + 750*(-4.50)<BR>\n" );
document.write( "x = ( 5300 + 750*(-4.50) ) / (8 - 4.50)<BR>\n" );
document.write( "( 5300 + 750*(-4.50) ) / (8 - 4.50)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "copy and paste the above expression in to this calculator:<BR>\n" );
document.write( "https://sooeet.com/math/scientific-calculator.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = 550<BR>\n" );
document.write( "x + y = 750<BR>\n" );
document.write( "550 + y = 750<BR>\n" );
document.write( "y = 750 - 550 <BR>\n" );
document.write( "y = 200<BR>\n" );
document.write( "---<BR>\n" );
document.write( "solution by elimination:<BR>\n" );
document.write( "x = 550<BR>\n" );
document.write( "y = 200<BR>\n" );
document.write( "---<BR>\n" );
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document.write( "---<BR>\n" );
document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve quadratic equations with quadratic formula:<BR>\n" );
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document.write( "---<BR>\n" );
document.write( "Solve systems of linear equations up to 6-equations 6-variables:<BR>\n" );
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document.write( "--- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );