document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1057815>Question 1057815</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are 26 Students in your class. There are 4 more girls than boys. Use system of linear equations to find out how many boys are in your class. How many girls? (Also can someone help me with figuring out what the independent and dependent variables are in this equation..)<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 #672805 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=672805\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is my approach if you want dependent and<BR>\n" );
document.write( "independent variables.<BR>\n" );
document.write( "I'll plot number of students in the class on the <BR>\n" );
document.write( "vertical axis and call it <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+ ALIGN=MIDDLE  ALT=\"+y+\"   DISABLED_style= \"max-width:90%; height:auto;\" >,  the dependent variable<BR>\n" );
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document.write( "I'll plot <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+ ALIGN=MIDDLE  ALT=\"+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, the number of boys on the horizontal axis<BR>\n" );
document.write( "which is the independent variable<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+%2B+4+ ALIGN=MIDDLE  ALT=\"+x+%2B+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the number of girls<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+x+%2B+x+%2B+4+ ALIGN=MIDDLE  ALT=\"+y+=+x+%2B+x+%2B+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Here's the system of equations:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+2x+%2B+4+ ALIGN=MIDDLE  ALT=\"+y+=+2x+%2B+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+26+ ALIGN=MIDDLE  ALT=\"+y+=+26+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Here's a plot of (1) and (2):<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+400%2C+400%2C+-3%2C+36%2C+-3%2C+36%2C+26%2C+2x+%2B+4+%29+ ALIGN=MIDDLE  ALT=\"+graph%28+400%2C+400%2C+-3%2C+36%2C+-3%2C+36%2C+26%2C+2x+%2B+4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "As you can see, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+11+ ALIGN=MIDDLE  ALT=\"+x+=+11+\"   DISABLED_style= \"max-width:90%; height:auto;\" > looks like the solution<BR>\n" );
document.write( "There are 11 boys and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%2B4+ ALIGN=MIDDLE  ALT=\"+x%2B4+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 15 girls\r<BR>\n" );
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