document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=824690>Question 824690</A>: <I><SPAN STYLE=\"word-break: break-all;\"> there are 30 boys and 60 girls in a class. if the average age of boys is 12 year and average age of girls is 10 year, what will be the average age of the whole class? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #496697 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=496697\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ---<BR>\n" );
document.write( "average age of the whole class<BR>\n" );
document.write( "(12*30 + 10*60)/90 = 10.666666 = 10+2/3<BR>\n" );
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