document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=83718>Question 83718</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The average weight for a group of 20 women is 130 pounds.  If the average weight for 3/4 of these women was 140 pounds, what was the average weight, in pounds, for the rest of the women? \r<BR>\n" );
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document.write( "I know the answer is 100 but I can't figure out how I got. It might not be 100? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #60203 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=60203\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The average weight for a group of 20 women is 130 pounds.  If the average weight for 3/4 of these women was 140 pounds, what was the average weight, in pounds, for the rest of the women? <BR>\n" );
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document.write( "Total weight of the group divided by # in the group has to be 130 lbs.<BR>\n" );
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document.write( "Total weight = (3/4)(20)(140) + (1/4)(20)x<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "(15*140+5x)/20 = 130<BR>\n" );
document.write( "2100 + 5x = 2600<BR>\n" );
document.write( "5x = 500<BR>\n" );
document.write( "x= 100<BR>\n" );
document.write( "The average wt. of the remaining (1/4)th of the group is 100 lbs.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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