document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=358989>Question 358989</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A Math quiz has 25 questions. A correct answer earns 8 points, and a wrong one<BR>\n" );
document.write( "costs 3 points. Jess scores 110 points. How many questions does Jess answer? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #256217 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=256217\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let R be the number of right answers, W for wrong answers.<BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%2BW=25 ALIGN=MIDDLE  ALT=\"R%2BW=25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8R%2B%28-3%29W=110 ALIGN=MIDDLE  ALT=\"8R%2B%28-3%29W=110\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply eq. 1 by 3 and add to eq. 2 to eliminate W.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3R%2B3W%2B8R-3W=75%2B110 ALIGN=MIDDLE  ALT=\"3R%2B3W%2B8R-3W=75%2B110\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=11R=185 ALIGN=MIDDLE  ALT=\"11R=185\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Something is wrong with the problem setup since 11 is not a factor of 185, you won't get an integer answer for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R ALIGN=MIDDLE  ALT=\"R\"   DISABLED_style= \"max-width:90%; height:auto;\" > as required.<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "17 right, 8 wrong would give Jess 112 points.<BR>\n" );
document.write( "16 right, 9 wrong would give Jess 101 points.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );