document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=870728>Question 870728</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Remain is seven times as old as his son. 10 years hence he will be three times as old as his son. What are their present ages in years? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #525089 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=525089\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x represent the son's age and 7x the father's age NOW<BR>\n" );
document.write( "7x + 10 = 3(x+10)<BR>\n" );
document.write( "7x + 10 = 3x + 30<BR>\n" );
document.write( "   4x = 20<BR>\n" );
document.write( "    x = 5, son's age NOW..Father is NOW 35<BR>\n" );
document.write( "checking...10 years from NOW<BR>\n" );
document.write( " 45 = 3*15 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );