document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=911501>Question 911501</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At present, Pedro's age is 25 percent (or 1/4) of his father's age. Twenty years from now Pedro's age will be 50% of his father. How old are they? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #553136 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=553136\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> At present, Pedro's age is 25 percent (or 1/4) of his father's age. Twenty years from now Pedro's age will be 50% of his father. How old are they?<BR>\n" );
document.write( "***<BR>\n" );
document.write( "let x=Pedro's present age<BR>\n" );
document.write( "4x=His father's present age<BR>\n" );
document.write( "..<BR>\n" );
document.write( "20 yrs from now:<BR>\n" );
document.write( "x+20=Pedro's age<BR>\n" );
document.write( "4x+20=His father's age<BR>\n" );
document.write( "x+20=50%(4x+20)<BR>\n" );
document.write( "x+20=2x+10<BR>\n" );
document.write( "x=10<BR>\n" );
document.write( "4x=40<BR>\n" );
document.write( "Pedro's present age=10<BR>\n" );
document.write( "His father's present age=40 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );