document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=331147>Question 331147</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Fred is 3 years older than his sister mary. In 7 years she will be six-sevenths of his age. how old are they? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #237383 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=237383\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> mary's age =x<BR>\n" );
document.write( "fred's age will be x+3<BR>\n" );
document.write( "..<BR>\n" );
document.write( "after 7 years<BR>\n" );
document.write( "mary's age = x+7<BR>\n" );
document.write( "Fred's age = x+3+7 = x+10<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x+7= 6/7 * (x+10)<BR>\n" );
document.write( "multiply by 7<BR>\n" );
document.write( "7(x+7)=(6/7)*7(x+10)<BR>\n" );
document.write( "7x+49=6x+60<BR>\n" );
document.write( "7x-6x= 60-49<BR>\n" );
document.write( "x= 11 years - Mary's age<BR>\n" );
document.write( "Fred's age = x+3 = 11+3=14<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );