document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=712391>Question 712391</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Arun's average in the first 32 innings was 11 runs per inning. After a further                    8 innings his average had decreased to 10 runs per inning .what is the average               for the last 8 innings?<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 #437899 by </B><A HREF=/tutors/aboutme.mpl?userid=Simnepi><B>Simnepi(216)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Simnepi><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=Simnepi><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=437899\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> To achieve a mean score of 11 then Arun's total score over the first 32 innings must be 11*32 = 352 runs<BR>\n" );
document.write( "Similarly Arun's total score over 40 innings must be 40*10 = 400 runs<BR>\n" );
document.write( "the difference between these two total scores gives the number of runs he scored in his last 8 innings<BR>\n" );
document.write( "400 - 352 = 48 runs<BR>\n" );
document.write( "now to find the mean we divide the runs by the number of innings<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=48%2F8 ALIGN=MIDDLE  ALT=\"48%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 6 <BR>\n" );
document.write( "so Arun scored an average (mean) of 6 runs in his last 8 innings<BR>\n" );
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