document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1176374>Question 1176374</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi<BR>\n" );
document.write( "Evan and his 3 friends scored an average of 80 marks. If Evan had scored 99 marks their average score would be 86 marks.  How many marks did Evan score.<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 #803155 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=803155\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "An informal solution uses the same calculations as the formal algebraic solution shown by the other tutor.<br><BR>\n" );
document.write( "There are 4 people, their average is 80.  Evan scoring 99, instead of what he actually scored, would raise that average to 86.<br><BR>\n" );
document.write( "The increase in the average is 6, so the increase in total points is 6*4=24.<br><BR>\n" );
document.write( "So Evan's actual score was 99-24 = 75.<br><BR>\n" );
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