document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=960352>Question 960352</A>: <I><SPAN STYLE=\"word-break: break-all;\"> To visit an Museum,The admission fee for student is $8 and the admission fee for Adult is $15. In one hour, 12 adults and students enter the museum and a Total of $131 in admission was paid. <BR>\n" );
document.write( "Write a linear system to model this problem and solve this problem graphically. Check you answer by substituting into the linear system you found. \r<BR>\n" );
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document.write( "I have try to do my work , please help me correct if I'm wrong: \r<BR>\n" );
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document.write( "x= # of student <BR>\n" );
document.write( "y=# of adult <BR>\n" );
document.write( "Linear system is: <BR>\n" );
document.write( "x+y=12 <BR>\n" );
document.write( "8x+15y=131 <BR>\n" );
document.write( "***not sure if it 12 or add #of adult and student*** \r<BR>\n" );
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document.write( "x-intercept: y=0 <BR>\n" );
document.write( "8x+15y=131 <BR>\n" );
document.write( "8x+15(0)=131 <BR>\n" );
document.write( "8x=131 <BR>\n" );
document.write( "x=16.375 \r<BR>\n" );
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document.write( "y-intercept: x=0 <BR>\n" );
document.write( "8x+15y=131 <BR>\n" );
document.write( "8(0) +15y=131 <BR>\n" );
document.write( "15y=131 <BR>\n" );
document.write( "y=8.73 \r<BR>\n" );
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document.write( "I'm not sure what I did wrong But every time I try to graph, the two intercept number are not right when I Verify.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #586896 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=586896\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your two equations are correct<BR>\n" );
document.write( "x +y = 12<BR>\n" );
document.write( "8x + 15y = 131<BR>\n" );
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document.write( "we want the coordinates of the point of intersection of the two lines, first put each line into standard notation, y = mx + b<BR>\n" );
document.write( "y = -x + 12<BR>\n" );
document.write( "y = -8x/15 + 131/15<BR>\n" );
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document.write( "here are the two lines, first equation is red and second equation is green<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-6%2C+25%2C+-10%2C+30%2C+-x%2B12%2C+-8x%2F15+%2B+131%2F15+%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+25%2C+-10%2C+30%2C+-x%2B12%2C+-8x%2F15+%2B+131%2F15+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "point of intersection is (7, 5)<BR>\n" );
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document.write( "check answer with original equations<BR>\n" );
document.write( "7 + 5 = 12<BR>\n" );
document.write( "12 = 12<BR>\n" );
document.write( "8*7 + 15*5 = 131<BR>\n" );
document.write( "56 + 75 = 131<BR>\n" );
document.write( "131 = 131<BR>\n" );
document.write( "our answer checks<BR>\n" );
document.write( " </SPAN>\n" );
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