document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=683749>Question 683749</A>: <I><SPAN STYLE=\"word-break: break-all;\"> On your first four tests, you scored 80%, 76%, 99%, and 91%. What do you have to get on the final test to average at least an 80% for the course?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #423756 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10557)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=423756\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "On your first four tests, you scored 80%, 76%, 99%, and 91%. What do you have to get on the final test to average at least an 80% for the course?\r<BR>\n" );
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document.write( "Let the grade on 5th and final test be F<BR>\n" );
document.write( "Then: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2880+%2B+76+%2B+99+%2B+91+%2B+F%29%2F5+%3E=+80 ALIGN=MIDDLE  ALT=\"%2880+%2B+76+%2B+99+%2B+91+%2B+F%29%2F5+%3E=+80\"   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=%28346+%2B+F%29%2F5+%3E=+80 ALIGN=MIDDLE  ALT=\"%28346+%2B+F%29%2F5+%3E=+80\"   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=346+%2B+F+%3E=+400 ALIGN=MIDDLE  ALT=\"346+%2B+F+%3E=+400\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----- Cross-multiplying  \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F+%3E=+400+-+346 ALIGN=MIDDLE  ALT=\"F+%3E=+400+-+346\"   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=highlight_green%28F+%3E=+54%29 ALIGN=MIDDLE  ALT=\"highlight_green%28F+%3E=+54%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "In order to have at least an average of 80%, a score of 54% or more has to be attained on the final test.\r<BR>\n" );
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document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com </SPAN>\n" );
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