document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=892888>Question 892888</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a  father was 30 years old when his son was born,he is now 3 times as old as his son.Find their present age.In how many years will the son be half 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 #540987 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=540987\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> _____________SON's BIRTH______________NOW<BR>\n" );
document.write( "FATHER________30______________________y+30<BR>\n" );
document.write( "SON____________0_______________________y\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( "From birth to now was passage of y years.<BR>\n" );
document.write( "NOW, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%2B30=3%2Ay ALIGN=MIDDLE  ALT=\"y%2B30=3%2Ay\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30=3y-y ALIGN=MIDDLE  ALT=\"30=3y-y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2y=30 ALIGN=MIDDLE  ALT=\"2y=30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=15%29 ALIGN=MIDDLE  ALT=\"highlight%28y=15%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >------The son's age now.<BR>\n" );
document.write( "-<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%2B30=15%2B30=highlight%2845%29 ALIGN=MIDDLE  ALT=\"y%2B30=15%2B30=highlight%2845%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-------The father's age now.\r<BR>\n" );
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document.write( "Starting from now, when will son be half his father's age?<BR>\n" );
document.write( "Let w = how many years pass from now.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2815%2Bw=%281%2F2%29%2845%2Bw%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%2815%2Bw=%281%2F2%29%2845%2Bw%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >----Solve for w.<BR>\n" );
document.write( " </SPAN>\n" );
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