document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1062809>Question 1062809</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A math student has a 100 homework average and test grades of 99, 100, and 97.  The homework average counts 15%, each test counts 20%, and the final exam counts 25%.  What is the lowest grade the student can get on the final exam and still get an A (an average of 90 or better) in the class? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #677830 by </B><A HREF=/tutors/aboutme.mpl?userid=math_helper><B>math_helper(2461)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_helper><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=math_helper><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=677830\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "The variable is the score on the final, let's call it x.\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%280.15%29%28100%29+%2B+%280.20%29%2899%2B100%2B97%29+%2B+%280.25%29x++%3E=+90+ ALIGN=MIDDLE  ALT=\"+%280.15%29%28100%29+%2B+%280.20%29%2899%2B100%2B97%29+%2B+%280.25%29x++%3E=+90+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=++15+%2B+59.2+%2B+0.25x+%3E=+90+ ALIGN=MIDDLE  ALT=\"++15+%2B+59.2+%2B+0.25x+%3E=+90+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+++74.2+%2B+0.25x+%3E=+90+ ALIGN=MIDDLE  ALT=\"+++74.2+%2B+0.25x+%3E=+90+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=++++0.25x+%3E=+15.8+ ALIGN=MIDDLE  ALT=\"++++0.25x+%3E=+15.8+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+++highlight%28+++++++x+%3E=+63.2+%29 ALIGN=MIDDLE  ALT=\"+++highlight%28+++++++x+%3E=+63.2+%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );