document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=5064>Question 5064</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Going into the final exam which counts as two-thirds of the final grade, Mark has test scores of 86, 80, 84, and 90.  What score does Mark need on the final in order to earn a B, which requires an average score of 80?  What does he need to earn an A, which requires a score of 90?  Thanks Again.  You are a great help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #2549 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=2549\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Average his four grades together by adding and dividing by 4:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%2886+%2B80+%2B+84+%2B+90%29+%2F4%29+=+85 ALIGN=MIDDLE  ALT=\"+%2886+%2B80+%2B+84+%2B+90%29+%2F4%29+=+85\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Let x = grade on the final, which counts as two grades, whereas his average on the other tests, which is 85, counts as a single grade.\r<BR>\n" );
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document.write( "Solve the following equations:\r<BR>\n" );
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document.write( "For a B in the class:  <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%2885+%2B+x+%2B+x+%29+%2F+3+=+80 ALIGN=MIDDLE  ALT=\"+%2885+%2B+x+%2B+x+%29+%2F+3+=+80\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by 3:<BR>\n" );
document.write( "85 + 2x = 240<BR>\n" );
document.write( "2x = 155<BR>\n" );
document.write( "x= 77.5\r<BR>\n" );
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document.write( "For an A in the class:  <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%2885+%2B+x+%2B+x+%29+%2F+3+=+90 ALIGN=MIDDLE  ALT=\"+%2885+%2B+x+%2B+x+%29+%2F+3+=+90\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by 3:<BR>\n" );
document.write( "85 + 2x = 270<BR>\n" );
document.write( "2x = 185<BR>\n" );
document.write( "x= 92.5\r<BR>\n" );
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document.write( "R^2 at SCC\r<BR>\n" );
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document.write( " </SPAN>\n" );
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