document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=507864>Question 507864</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Joe is 3 times as old as Mack. The difference in their age is 24 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #340774 by </B><A HREF=/tutors/aboutme.mpl?userid=Maths68><B>Maths68(1474)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Maths68><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=Maths68><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=340774\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let<BR>\n" );
document.write( "Present age of Joe = j<BR>\n" );
document.write( "Present age of Mack = m<BR>\n" );
document.write( "Given<BR>\n" );
document.write( "Joe is 3 times as old as Mack<BR>\n" );
document.write( "j=3m ........(1)<BR>\n" );
document.write( "The difference in their age is 24<BR>\n" );
document.write( "j-m=24<BR>\n" );
document.write( "Put the value of j in above equation we have<BR>\n" );
document.write( "3m-m=24<BR>\n" );
document.write( "2m=24<BR>\n" );
document.write( "Divide by m both sides of the equation<BR>\n" );
document.write( "2m/2=24/2<BR>\n" );
document.write( "m=12\r<BR>\n" );
document.write( "\n" );
document.write( "Put the value of m in (1)<BR>\n" );
document.write( "j=3m<BR>\n" );
document.write( "j=3(12)<BR>\n" );
document.write( "j=36<BR>\n" );
document.write( "Present age of Joe = 36 years old<BR>\n" );
document.write( "Present age of Mack = 12 years old<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );