document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1114236>Question 1114236</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The Arcadia Theater charges $4 for adult tickets and $3 for student tickets. Josh purchased 9 tickets (some students and some adults) for $31. Write a systems of equations used to find a, the number of adult tickets, and s, the number of student tickets Josh purchased. <BR>\n" );
document.write( "Find the cost of ticket for each student and adult as well.\r<BR>\n" );
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document.write( "I do not understand how I am supposed to solve this problem. Do I write the system of equation as \r<BR>\n" );
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document.write( "4a*9=31<BR>\n" );
document.write( "3s*9=31\r<BR>\n" );
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document.write( "Thanks for your help!\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #729224 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=729224\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) a + s = 9<BR>\n" );
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document.write( "2) 4a + 3s = 31<BR>\n" );
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document.write( "solve equation 1 for a<BR>\n" );
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document.write( "a = 9 - s<BR>\n" );
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document.write( "substitute for a in equation 2<BR>\n" );
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document.write( "4(9 - s) + 3s = 31<BR>\n" );
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document.write( "36 - 4s + 3s = 31<BR>\n" );
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document.write( "-s = -5<BR>\n" );
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document.write( "s = 5<BR>\n" );
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document.write( "a = 9 - 5 = 4<BR>\n" );
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document.write( "Josh bought 4 adult tickets and 5 student tickets<BR>\n" );
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document.write( "check answer with equation 2<BR>\n" );
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document.write( "4(4) + 3(5) = 31<BR>\n" );
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document.write( "16 + 15 = 31<BR>\n" );
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document.write( "31 = 31<BR>\n" );
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document.write( "our answer checks<BR>\n" );
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document.write( "from equation 2, we see that<BR>\n" );
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document.write( "Josh spent $16 on adult tickets and $15 on student tickets<BR>\n" );
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