document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=752836>Question 752836</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mr. Nelson lost one of his student's test papers. He knows that the other 4 students scored as follows: 93, 86, 86, 84. He also knows that the average score is 88.2. What is the score on the missing paper?<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 #458073 by </B><A HREF=/tutors/aboutme.mpl?userid=Okeke_Christian><B>Okeke_Christian(26)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Okeke_Christian><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=Okeke_Christian><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=458073\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the score on the missing paper be x.<BR>\n" );
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document.write( "If he lost score of 1 student and has score of other 4, it means he has a total of 5 students!\r<BR>\n" );
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document.write( "Mean (Average) = Total Score / Number of Students.\r<BR>\n" );
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document.write( "We have,<BR>\n" );
document.write( "Mean (Average) = 88.2 = 882/10;<BR>\n" );
document.write( "Total Score = (93+86+86+84)+ x = 349+x<BR>\n" );
document.write( "Number of Students = 5;\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28882%2F10%29+=+%28349%2Bx%29%2F5 ALIGN=MIDDLE  ALT=\"%28882%2F10%29+=+%28349%2Bx%29%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Cross Multiply<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28882%2A5%29=10%2A%28349%2Bx%29 ALIGN=MIDDLE  ALT=\"%28882%2A5%29=10%2A%28349%2Bx%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4410=3490%2B10x ALIGN=MIDDLE  ALT=\"4410=3490%2B10x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4410-3490=10x ALIGN=MIDDLE  ALT=\"4410-3490=10x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=920=10x ALIGN=MIDDLE  ALT=\"920=10x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Divide through by 10:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28920%2F10%29=%2810x%2F10%29 ALIGN=MIDDLE  ALT=\"%28920%2F10%29=%2810x%2F10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=92=x ALIGN=MIDDLE  ALT=\"92=x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Therefore, missing score is 92\r<BR>\n" );
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