document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=998781>Question 998781</A>: <I><SPAN STYLE=\"word-break: break-all;\"> URGENT HELP. The student council of XYZ School needed P225,000 for an annual trip.  If five more members joined the group, each member would then save P500.  How many students planned to make the trip? <BR>\n" );
document.write( "Thank you :)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #616544 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=616544\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> So , hiring the transportation for the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%7D%7D+students+who+planned+to+make+the+trip+costs+%7B%7B%7B225000 ALIGN=MIDDLE  ALT=\"n%7D%7D+students+who+planned+to+make+the+trip+costs+%7B%7B%7B225000\"   DISABLED_style= \"max-width:90%; height:auto;\" > ,<BR>\n" );
document.write( "and the cost per student is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=225000%2Fn ALIGN=MIDDLE  ALT=\"225000%2Fn\"   DISABLED_style= \"max-width:90%; height:auto;\" > .<BR>\n" );
document.write( "However, since they have some free seats on the hired transportation,<BR>\n" );
document.write( "they could transport <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5 ALIGN=MIDDLE  ALT=\"5\"   DISABLED_style= \"max-width:90%; height:auto;\" > more students for the same total cost.<BR>\n" );
document.write( "Then, the cost per student would be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=225000%2F%28n%2B5%29 ALIGN=MIDDLE  ALT=\"225000%2F%28n%2B5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > .<BR>\n" );
document.write( "If that is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=500 ALIGN=MIDDLE  ALT=\"500\"   DISABLED_style= \"max-width:90%; height:auto;\" > less, that means that<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=225000%2Fn-225000%2F%28n%2B5%29=500 ALIGN=MIDDLE  ALT=\"225000%2Fn-225000%2F%28n%2B5%29=500\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiplying both sides of the equal sign times <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%2A%28n%2B5%29 ALIGN=MIDDLE  ALT=\"n%2A%28n%2B5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > (which is not zero),<BR>\n" );
document.write( "we get the equivalent equation<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=225000%28n%2B5%29-225000n=500%2An%2A%28n%2B5%29 ALIGN=MIDDLE  ALT=\"225000%28n%2B5%29-225000n=500%2An%2A%28n%2B5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=225000n%2B225000%2A5-225000n=500%2An%2A%28n%2B5%29 ALIGN=MIDDLE  ALT=\"225000n%2B225000%2A5-225000n=500%2An%2A%28n%2B5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=225000%2A5=500%2An%2A%28n%2B5%29 ALIGN=MIDDLE  ALT=\"225000%2A5=500%2An%2A%28n%2B5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=225000%2A5%2F500=n%2A%28n%2B5%29 ALIGN=MIDDLE  ALT=\"225000%2A5%2F500=n%2A%28n%2B5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2250=n%2A%28n%2B5%29 ALIGN=MIDDLE  ALT=\"2250=n%2A%28n%2B5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now, you have to solve that equation.<BR>\n" );
document.write( "You could see that it is a quadratic equation,<BR>\n" );
document.write( "you could re-write it in a more traditional form,<BR>\n" );
document.write( "as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%5E2%2B5n-2250=0 ALIGN=MIDDLE  ALT=\"n%5E2%2B5n-2250=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > ,<BR>\n" );
document.write( "and solve it whichever way will make your teacher satisfied<BR>\n" );
document.write( "(factoring, completing the square, or using the quadratic formula).<BR>\n" );
document.write( "Alternatively, from <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2250=n%2A%28n%2B5%29 ALIGN=MIDDLE  ALT=\"2250=n%2A%28n%2B5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ,<BR>\n" );
document.write( "you could look for factors <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n ALIGN=MIDDLE  ALT=\"n\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28n%2B5%29 ALIGN=MIDDLE  ALT=\"%28n%2B5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > whose product is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2250 ALIGN=MIDDLE  ALT=\"2250\"   DISABLED_style= \"max-width:90%; height:auto;\" > ,<BR>\n" );
document.write( "and finding that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45%2A50=2250 ALIGN=MIDDLE  ALT=\"45%2A50=2250\"   DISABLED_style= \"max-width:90%; height:auto;\" > ,<BR>\n" );
document.write( "you would conclude that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28n=highlight%2845%29%2Cn%2B5=50%29 ALIGN=MIDDLE  ALT=\"system%28n=highlight%2845%29%2Cn%2B5=50%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > .<BR>\n" );
document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2845%29 ALIGN=MIDDLE  ALT=\"highlight%2845%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > students planned to make the trip. </SPAN>\n" );
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