document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1073430>Question 1073430</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a student's final marks in mathematics, physics, English and Geography are 70,65,80,85 respectively. if the respective credits received for these courses are 3,2,3 and 1.<BR>\n" );
document.write( "a. Determine the mean mark of the student.<BR>\n" );
document.write( "b.what is this type of mean called? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #688261 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=688261\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 70 * 3 = 210<BR>\n" );
document.write( "65 * 2 = 130<BR>\n" );
document.write( "80 * 3 = 240<BR>\n" );
document.write( "85 * 1 = 85\r<BR>\n" );
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document.write( "total score multiplied by the number of credits for each score is 210 + 130 + 240 + 85 = 665\r<BR>\n" );
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document.write( "total credits are 3 + 2 + 3 + 1 = 9\r<BR>\n" );
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document.write( "average is 665 / 9 = 73.89.\r<BR>\n" );
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document.write( "this is called a weighted average.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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