document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=666553>Question 666553</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Father is 5 time older then son.in 15 years father will be twice as older then son how old Father at present age. (its answer is 25 years) how it comes? help me ... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #414542 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=414542\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Establish variables<BR>\n" );
document.write( "x = father<BR>\n" );
document.write( "y = son<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Given<BR>\n" );
document.write( "x = 5y<BR>\n" );
document.write( "x = 2y + 15<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Plug in the value of x into the second equation<BR>\n" );
document.write( "5y = 2y + 15<BR>\n" );
document.write( "Group like terms<BR>\n" );
document.write( "5y - 2y = 15<BR>\n" );
document.write( "3y = 15<BR>\n" );
document.write( "y = 5<BR>\n" );
document.write( "...<BR>\n" );
document.write( "If son is 5, then father, x is 5(5) = 25<BR>\n" );
document.write( ".....................<BR>\n" );
document.write( "Delighted to help.<BR>\n" );
document.write( "-Reading Boosters<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );