document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=972459>Question 972459</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man is thirty years old, and his son is thirteen years old.<BR>\n" );
document.write( " How many years will the son be three-fourths as old as his father? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #594795 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=594795\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A man is thirty years old, and his son is thirteen years old.<BR>\n" );
document.write( " How many years will the son be three-fourths as old as his father?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "let y = no. of years for this to be true<BR>\n" );
document.write( "y + 13 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F4 ALIGN=MIDDLE  ALT=\"3%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >(y+30)<BR>\n" );
document.write( "multiply both sides by 4<BR>\n" );
document.write( "4(y+13) = 3(y+30)<BR>\n" );
document.write( "4y + 52 = 3y + 90<BR>\n" );
document.write( "4y - 3y = 90 - 52<BR>\n" );
document.write( "y = 38 yrs for this to happen<BR>\n" );
document.write( ":<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check this out, find their ages in 38 yrs.<BR>\n" );
document.write( "13 + 38 = 51<BR>\n" );
document.write( "30 + 38 = 68<BR>\n" );
document.write( ":<BR>\n" );
document.write( "51/68 = .75 which is 3/4 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );