document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=981522>Question 981522</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Joan is 10 years older than Michele <BR>\n" );
document.write( "one half on Michele's age is equal to one fourth of Joan's age <BR>\n" );
document.write( "how old is Joan and michele </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #602574 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><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=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=602574\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You're missing punctuation in your question, so I'm making some assumptions.<BR>\n" );
document.write( "J = M + 10<BR>\n" );
document.write( ".5 M = .25J<BR>\n" );
document.write( "Substitute the known value of J from the first equation into the second.<BR>\n" );
document.write( ".5M = .25(M+10)<BR>\n" );
document.write( ".5M = .25M + 2.5<BR>\n" );
document.write( ".25M = 2.5<BR>\n" );
document.write( "Multiply each side by 4 to get a whole M<BR>\n" );
document.write( "1M = 10<BR>\n" );
document.write( "Let's check.<BR>\n" );
document.write( "If Michelle is 10, then Joan is 10 years older than that, or 20.<BR>\n" );
document.write( "Is 1/4 of 20 the same as 1/2 of 10?<BR>\n" );
document.write( "5 = 5<BR>\n" );
document.write( "Success.<BR>\n" );
document.write( "Michelle is 10 and Joan is 20. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );