document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=727383>Question 727383</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The ratio of the present ages of Kwasi and Yaw is 2:9. Four years ago, the sum of their ages was 47 years. How old is Yaw now?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #445078 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=445078\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The ratio of the present ages of Kwasi and Yaw is 2:9. Four years ago, the sum of their ages was 47 years. How old is Yaw now?<BR>\n" );
document.write( "**<BR>\n" );
document.write( "let k=Kwasi's present age<BR>\n" );
document.write( "let y=Yaw's present age<BR>\n" );
document.write( "..<BR>\n" );
document.write( "k/y=2/9<BR>\n" );
document.write( "k=2y/9<BR>\n" );
document.write( "..<BR>\n" );
document.write( "4 yrs ago:<BR>\n" );
document.write( "k-4+y-4=47<BR>\n" );
document.write( "k+y=55<BR>\n" );
document.write( "..<BR>\n" );
document.write( "2y/9+y=55<BR>\n" );
document.write( "2y+9y=9*55<BR>\n" );
document.write( "11y=9*55<BR>\n" );
document.write( "y=9*5=45<BR>\n" );
document.write( "k=55-y=10<BR>\n" );
document.write( "Kwasi's present age=10<BR>\n" );
document.write( "Yaw's present age=45<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );