document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1164330>Question 1164330</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The owner of a movie theater needs to bring in $1600 revenue at each screening in order to stay in business. He sells adults' tickets for $11 each and children's tickets at $9 each.\r<BR>\n" );
document.write( "\n" );
document.write( "a. How much revenue does he earn from selling <BR>\n" );
document.write( "x<BR>\n" );
document.write( " adults' tickets?\r<BR>\n" );
document.write( "\n" );
document.write( "b. How much revenue does he earn from selling <BR>\n" );
document.write( "y<BR>\n" );
document.write( " children's tickets?\r<BR>\n" );
document.write( "\n" );
document.write( "c. Write an equation in <BR>\n" );
document.write( "x<BR>\n" );
document.write( " and <BR>\n" );
document.write( "y<BR>\n" );
document.write( " for the number of tickets he must sell at each screening. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #788684 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=788684\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "Part A) They earn <font color=red>11x dollars</font> in revenue from all the adults<BR>\n" );
document.write( "We can think of it like this<BR>\n" );
document.write( "1 adult = 11 dollars<BR>\n" );
document.write( "x adults = 11x dollars<BR>\n" );
document.write( "after multiplying both sides by x\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "---------------------------------------------------------\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Part B) This is similar to part A. One child ticket costs $9 each, so selling y of them leads to <font color=red>9y dollars</font>.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "---------------------------------------------------------\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Part C) We earn 11x dollars from all the adults and 9y dollars from all the children. The total revenue is 11x+9y dollars. <BR>\n" );
document.write( "The owner wants to bring in $1600, so we set 11x+9y equal to 1600 to get the equation <font color=red>11x+9y = 1600</font><BR>\n" );
document.write( "</font> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );