document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=246126>Question 246126</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mary is the younger than her sister Joan.  The sum of their age is 15.  Twice Joan’s age is three times the sum of 5 and Mary’s age.  How old are the two sisters? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #179773 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=179773\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> M+J=15 OR M=15-J<BR>\n" );
document.write( "2J=3(M+5)<BR>\n" );
document.write( "2J=3(15-J+5)<BR>\n" );
document.write( "2J=3(20-J)<BR>\n" );
document.write( "2J=60-3J<BR>\n" );
document.write( "2J+3J=60<BR>\n" );
document.write( "5J=60<BR>\n" );
document.write( "J=60/5<BR>\n" );
document.write( "J=12 ANS. JOAN'S AGE.<BR>\n" );
document.write( "M=15-12<BR>\n" );
document.write( "M=3 ANS. FOR MARY'S AGE.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "2*12=3(3+5)<BR>\n" );
document.write( "24=3*8<BR>\n" );
document.write( "24=24\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );