document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=857820>Question 857820</A>: <I><SPAN STYLE=\"word-break: break-all;\"> John is 7 times as old as his son Ron now. In two years, he will only be 5 times the age of his sone then. How old are they now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #516859 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=516859\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> J = 7R [John is 7 times as old as his son Ron now.]<BR>\n" );
document.write( "J + 2 = 5(R+2) [In two years, he will only be 5 times the age of his son then]<BR>\n" );
document.write( "Substitute the value of J from the first equation into the second.<BR>\n" );
document.write( "(7r) + 2 = 5(R+2)<BR>\n" );
document.write( "Distribute<BR>\n" );
document.write( "7R + 2 = 5R + 10<BR>\n" );
document.write( "Subtract 5R from each side<BR>\n" );
document.write( "2R + 2 = 10<BR>\n" );
document.write( "Subtract 2 from each side<BR>\n" );
document.write( "2R = 8<BR>\n" );
document.write( "Divide each side by 2<BR>\n" );
document.write( "R = 4, which means J = 28<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let's plug the values in to prove.<BR>\n" );
document.write( "In two years, R will be 6 and J will b 30<BR>\n" );
document.write( "Is 30 five time 6? Yes.<BR>\n" );
document.write( "Success! </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );