document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1175104>Question 1175104</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A friend has a 81% average before the final exam for a course. That score includes everything but the final, which counts for 15% of the course grade.\r<BR>\n" );
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document.write( "What is the best course grade your friend can earn? %\r<BR>\n" );
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document.write( "What is the minimum score your friend would need on the final to earn a 75% for the course? %\r<BR>\n" );
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document.write( "Give answers accurate to at least one decimal place. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #800668 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13203)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=800668\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "I'll let you do the work....<br><BR>\n" );
document.write( "(1) The best grade he can get is if he gets 100% on the final.  It counts 15% of the total grade; his current average counts for 85% of his grade.  His best possible final grade is<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28.85%2881%29%2B.15%28100%29%29%2F100 ALIGN=MIDDLE  ALT=\"%28.85%2881%29%2B.15%28100%29%29%2F100\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "(2) Let x be the minimum grade he can get on the final.  Then his final grade is 85% of his current average of 81, plus 15% of x.  You want that average to be 75%:<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28.85%2881%29%2B.15%28x%29%29%2F100+=+.75 ALIGN=MIDDLE  ALT=\"%28.85%2881%29%2B.15%28x%29%29%2F100+=+.75\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "The first problem only involves performing a calculation; the second requires solving an equation using basic algebra....<br><BR>\n" );
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