document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=737334>Question 737334</A>: <I><SPAN STYLE=\"word-break: break-all;\">  The mean age of 25 persons is 20 years, then the sum of their ages ..........?????? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #450318 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=450318\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> consider this..... if two numbers have an average of 10 then the sum total of those 2 numbers must be 20 (i.e. 2 times 10). This is because the average is the total divided by the number of values.<BR>\n" );
document.write( "If 3 numbers had an average of 15 the total of those 3 numbers must be 45 (i.e. 3 times 15).<BR>\n" );
document.write( "So, if the average of 25 numbers is 20 then the total of those numbers must be 20 times 25 = 500. </SPAN>\n" );
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