document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1039637>Question 1039637</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mike's son John is exactly one fifth of Mike's age. In 21years time, Mike will be exactly twice John's age. How old is John now?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #654399 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=654399\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> J = 1/5M<BR>\n" );
document.write( "M+21 = 2(J+21)<BR>\n" );
document.write( "M+21 = 2(1/5M+21)<BR>\n" );
document.write( "M+21 = 2/5M+42<BR>\n" );
document.write( "M = 2/5M + 21<BR>\n" );
document.write( "M-2/5M = 21<BR>\n" );
document.write( "3/5M = 21<BR>\n" );
document.write( "M = 21(5/3) = 105/3 = 35 Mike is 35 years old and John is 1/5(35) = 7 years old. </SPAN>\n" );
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