document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=477400>Question 477400</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The student council of Sta. Lucia High School needed 2,500.00 for an annual trip. If five more members joined the group, each members would then save 5.00. How many students planned to make the trip? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #327241 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=327241\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+ ALIGN=MIDDLE  ALT=\"+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = number of students who planned to take the trip<BR>\n" );
document.write( "given:<BR>\n" );
document.write( "the cost per student is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2500+%2F+x+ ALIGN=MIDDLE  ALT=\"+2500+%2F+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "If 5 more joined the group, the cost per student would be<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2500%2Fx+-+5+ ALIGN=MIDDLE  ALT=\"+2500%2Fx+-+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "I can write the equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2500+%2F+x+-+5=+2500%2F%28x+%2B+5%29++ ALIGN=MIDDLE  ALT=\"+2500+%2F+x+-+5=+2500%2F%28x+%2B+5%29++\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%2A%28x%2B5%29+ ALIGN=MIDDLE  ALT=\"+x%2A%28x%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=+2500%2A%28x%2B5%29+-+5x%2A%28x%2B5%29+=+2500x+ ALIGN=MIDDLE  ALT=\"+2500%2A%28x%2B5%29+-+5x%2A%28x%2B5%29+=+2500x+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2500x+%2B+12500+-+5x%5E2+-+25x+=+2500x%0D%0A%7B%7B%7B+5x%5E2+%2B+25x+-+12500+=+0+ ALIGN=MIDDLE  ALT=\"+2500x+%2B+12500+-+5x%5E2+-+25x+=+2500x%0D%0A%7B%7B%7B+5x%5E2+%2B+25x+-+12500+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=++x%5E2+%2B+5x+-+2500+=+0+ ALIGN=MIDDLE  ALT=\"++x%5E2+%2B+5x+-+2500+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Using quadratic formula:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+=+1+ ALIGN=MIDDLE  ALT=\"+a+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b+=+5+ ALIGN=MIDDLE  ALT=\"+b+=+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+c+=+-2500+ ALIGN=MIDDLE  ALT=\"+c+=+-2500+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-5+%2B-+sqrt%28+5%5E2+-+4%2A1%2A%28-2500%29+%29%29%2F%282%2A1%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-5+%2B-+sqrt%28+5%5E2+-+4%2A1%2A%28-2500%29+%29%29%2F%282%2A1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-5+%2B-+sqrt%28+25+%2B+10000+%29%29+%2F+2+ ALIGN=MIDDLE  ALT=\"x+=+%28-5+%2B-+sqrt%28+25+%2B+10000+%29%29+%2F+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-5+%2B-+sqrt%28+10025+%29%29+%2F+2+ ALIGN=MIDDLE  ALT=\"x+=+%28-5+%2B-+sqrt%28+10025+%29%29+%2F+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+%28+-+5+%2B+100.125+%29+%2F+2+ ALIGN=MIDDLE  ALT=\"+x+=+%28+-+5+%2B+100.125+%29+%2F+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+95.125%2F2+ ALIGN=MIDDLE  ALT=\"+x+=+95.125%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+47.56+ ALIGN=MIDDLE  ALT=\"+x+=+47.56+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "I can round this to 48 students planned to take the trip<BR>\n" );
document.write( "check answer:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2500+%2F+%2848%2B5%29+=+2500%2F48+-+5+ ALIGN=MIDDLE  ALT=\"+2500+%2F+%2848%2B5%29+=+2500%2F48+-+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2500%2F53+=+2500%2F48+-+5+ ALIGN=MIDDLE  ALT=\"+2500%2F53+=+2500%2F48+-+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+47.17+=+52.08+-+5+ ALIGN=MIDDLE  ALT=\"+47.17+=+52.08+-+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+47.17+=+47.08+ ALIGN=MIDDLE  ALT=\"+47.17+=+47.08+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This seems close enough<BR>\n" );
document.write( "Hope I got it right </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );