document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=310870>Question 310870</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A class containing a number P students has a test average of 70%. Another class containing a number N students has a test average of 92%. When the classes are combined, the new average is 86%. What is the value of P/N?\r<BR>\n" );
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document.write( "It's the only problem in my homework assignment I can't solve. I think it should be set up as:\r<BR>\n" );
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document.write( "[(P X .70) + (N X .92)]/P + N equals .86\r<BR>\n" );
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document.write( "But how do I solve for P or N? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #222406 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=222406\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Don't solve for them, solve for P/N.<BR>\n" );
document.write( "(x1+x2+x3+...+xp)/P=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70 ALIGN=MIDDLE  ALT=\"70\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(y1+y2+y3+...+yn)/N=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=92 ALIGN=MIDDLE  ALT=\"92\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(x1+x2+...+xn+y1+y2+...yp)/(P+N)=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=86 ALIGN=MIDDLE  ALT=\"86\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "(x1+x2+x3+...+xp)=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70P ALIGN=MIDDLE  ALT=\"70P\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(y1+y2+y3+...+yn)=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=92N ALIGN=MIDDLE  ALT=\"92N\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(x1+x2+...+xn+y1+y2+...yp)=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=86%28P%2BN%29 ALIGN=MIDDLE  ALT=\"86%28P%2BN%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+70P%2B92N=86P%2B86N+ ALIGN=MIDDLE  ALT=\"+70P%2B92N=86P%2B86N+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-16P=-6N ALIGN=MIDDLE  ALT=\"+-16P=-6N\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P%2FN=6%2F16=3%2F8 ALIGN=MIDDLE  ALT=\"+P%2FN=6%2F16=3%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );