document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=23887>Question 23887</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ben wanted to know how old his friend Mr. Stone was.  Mr. Stone told him, \"I started school when I was 4-1/2 year old, and I stayed at the same school for 1/6 of my life.  I was in the army 1/5 of my life and when I left the army I spent 1/4 of my life as a clerk.  Now I have spent 1/3 of my life in retirement.\"  How old is Mr. Stone? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #12643 by </B><A HREF=/tutors/aboutme.mpl?userid=Sridi><B>Sridi(6)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Sridi><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=12643\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For such problems, use a variable for the age. Call it x.\r<BR>\n" );
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document.write( "Currently Mr. Stone is x yrs old. <BR>\n" );
document.write( "He was 4.5 yrs old when he started school.----  4.5<BR>\n" );
document.write( "For 1/6 of his life , he was in school ------ <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F6%29+x ALIGN=MIDDLE  ALT=\"%281%2F6%29+x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "in the army 1/5 of my life -------- <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F5%29+x ALIGN=MIDDLE  ALT=\"%281%2F5%29+x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "1/4 of my life as a clerk ---------- <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F4%29+x+ ALIGN=MIDDLE  ALT=\"%281%2F4%29+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "spent 1/3 of my life in retirement ----- <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F3%29+x ALIGN=MIDDLE  ALT=\"%281%2F3%29+x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "That was his life to date. whatever he has done in life thus far must = his age.\r<BR>\n" );
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document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4.5+%2B+%28x%2F6%29+%2B+%28x%2F5%29+%2B+%28x%2F4%29+%2B+%28x%2F3%29+ ALIGN=MIDDLE  ALT=\"+4.5+%2B+%28x%2F6%29+%2B+%28x%2F5%29+%2B+%28x%2F4%29+%2B+%28x%2F3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now this is a fraction simplification problem.\r<BR>\n" );
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document.write( "The LCD for 6, 5, 4 and 3 is 60\r<BR>\n" );
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document.write( "therefore <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2F6%29+%2B+%28x%2F5%29+%2B+%28x%2F4%29+%2B+%28x%2F3%29+ ALIGN=MIDDLE  ALT=\"%28x%2F6%29+%2B+%28x%2F5%29+%2B+%28x%2F4%29+%2B+%28x%2F3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "is now written as \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810x+%2B+12x+%2B+15x+%2B+20x%29%2F60%29+which+is+equal+to++57x%2F60+ ALIGN=MIDDLE  ALT=\"%2810x+%2B+12x+%2B+15x+%2B+20x%29%2F60%29+which+is+equal+to++57x%2F60+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Plug this back in the first equation\r<BR>\n" );
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document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4.5+%2B+57x%2F60 ALIGN=MIDDLE  ALT=\"4.5+%2B+57x%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Subtract 57x/60 from both sides.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+-+%2857x%2F60%29+=+4.5+ ALIGN=MIDDLE  ALT=\"+x+-+%2857x%2F60%29+=+4.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%2F60+=+4.5+ ALIGN=MIDDLE  ALT=\"3x%2F60+=+4.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%2F20+=+4.5 ALIGN=MIDDLE  ALT=\"+x%2F20+=+4.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+20+%2A+4.5 ALIGN=MIDDLE  ALT=\"x+=+20+%2A+4.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "x = 90 years.<BR>\n" );
document.write( "  </SPAN>\n" );
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