document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=722569>Question 722569</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mark is 3 times as old as Julie. The difference in their ages is 10 years.<BR>\n" );
document.write( "What is Mark’s age? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #442792 by </B><A HREF=/tutors/aboutme.mpl?userid=god2012><B>god2012(113)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=god2012><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=god2012><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=442792\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let 'M' and 'J' are the ages of Mark and Julie respectively.\r<BR>\n" );
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document.write( "Given :<BR>\n" );
document.write( "M = 3J<BR>\n" );
document.write( "M - J = 10 or J = M - 10\r<BR>\n" );
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document.write( "M = 3 (M+10) = 3M - 30<BR>\n" );
document.write( "2M = 30  or M = 15 years<BR>\n" );
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