document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=816831>Question 816831</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The school that Micaela goes to is selling tickets  to a choral performance. On the first day of ticket sales the school sold 7 adult tickets and 2 student tickets for a total of $87 The school took in 74 on the second day by selling 4 adult tickets and 6 student tickets. Find the price of an adult ticket and the price of a student ticket using system of 3 equations and variables. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #491737 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=491737\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a = adult ticket price<BR>\n" );
document.write( "s = student ticket price<BR>\n" );
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document.write( "7a + 2s = 87<BR>\n" );
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document.write( "4a + 6s = 74<BR>\n" );
document.write( "4a = 74 - 6s <BR>\n" );
document.write( "a = 74/4 - (6/4)s<BR>\n" );
document.write( "a = 37/2 - (3/2)s<BR>\n" );
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document.write( "7a + 2s = 87<BR>\n" );
document.write( "7(37/2 - (3/2)s) + 2s = 87<BR>\n" );
document.write( "7(37/2) - 7(3/2)s + 2s = 87<BR>\n" );
document.write( "(259/2) - (21/2)s + 2s = 87<BR>\n" );
document.write( "(21/2)s - 2s = (259/2) - 87<BR>\n" );
document.write( "(21/2)s - (4/2)s = 259/2 - 174/2<BR>\n" );
document.write( "(17/2)s = 85/2<BR>\n" );
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document.write( "s = 85/2(2/17)<BR>\n" );
document.write( "s = 85/17<BR>\n" );
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document.write( "Answer:<BR>\n" );
document.write( "s = $5<BR>\n" );
document.write( "a = $11<BR>\n" );
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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, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Convert fractions, decimals, and percents:<BR>\n" );
document.write( "https://sooeet.com/math/fraction-decimal-percent.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Calculate and graph the linear regression of any data set:<BR>\n" );
document.write( "https://sooeet.com/math/linear-regression.php </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );