document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1110355>Question 1110355</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi. I'm not sure how to set up the equation:<BR>\n" );
document.write( "A father is 43 and he has two kids who are 9 and 11. How many years have to go by so that the ages of the two kids equal the age of the father?\r<BR>\n" );
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document.write( "I think it's:<BR>\n" );
document.write( "9 + x + 11 + x = 43<BR>\n" );
document.write( "20 + 2x = 43<BR>\n" );
document.write( "2x = 43\r<BR>\n" );
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document.write( "But it doesn't seem to make sense to have a decimal age for x. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #725342 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=725342\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The wording you posted does not talk about the sum of the ages of the two kids.<BR>\n" );
document.write( "Did you mean \"ages\" or \"sum of the ages\" of the two kids?<BR>\n" );
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document.write( "Each of the two kids will be 43 years old someday (unless one or both die at a younger age).<BR>\n" );
document.write( "That would give you two different equations,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9%2Bx=43 ALIGN=MIDDLE  ALT=\"9%2Bx=43\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9%2Bx=43 ALIGN=MIDDLE  ALT=\"9%2Bx=43\"   DISABLED_style= \"max-width:90%; height:auto;\" > , with two different results.<BR>\n" );
document.write( "Of course, at no time will the father and a child be the same age.<BR>\n" );
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document.write( "The sum of the ages of the two kids will always be an even number,<BR>\n" );
document.write( "so the sum will never be 43.<BR>\n" );
document.write( "However, as all 3 of them age by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" > years,<BR>\n" );
document.write( "the sum of the two children's ages will be the age of the father when<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9+%2B+x+%2B+11+%2B+x+=+43+%2B+x ALIGN=MIDDLE  ALT=\"9+%2B+x+%2B+11+%2B+x+=+43+%2B+x\"   DISABLED_style= \"max-width:90%; height:auto;\" > .<BR>\n" );
document.write( "That may be the intended problem and equation.<BR>\n" );
document.write( " </SPAN>\n" );
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