document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=122782>Question 122782</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/1565771494/algebrahomeworkh>Algebra 1/2</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I need help on overall average. This doesn't make any sense to me! Here it is: Joe tossed 4 into the pot. Their average weight was 6 lb. Then he tossed 5 more whose average weight was 7 lb. Then he threw in a big one. The overall average weight of all of them is 7 lb. What did the big one weigh? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #90138 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=90138\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I need help on overall average. This doesn't make any sense to me! Here it is: Joe tossed 4 into the pot. Their average weight was 6 lb. Then he tossed 5 more whose average weight was 7 lb. Then he threw in a big one. The overall average weight of all of them is 7 lb. What did the big one weigh?<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "4*6 = 24 lb<BR>\n" );
document.write( "5*7 = 35 lb<BR>\n" );
document.write( "1*x = x<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "(24+35+x)/10 = 7<BR>\n" );
document.write( "24+35+x = 70<BR>\n" );
document.write( "x = 11<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );