document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=723916>Question 723916</A>: <I><SPAN STYLE=\"word-break: break-all;\"> paul can split a cord of wood in 12 hours. his father can split a cord of wood in 4 hours. how long do paul and his father take to split a cord of wood if they work together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #443456 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=443456\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> paul can split a cord of wood in 12 hours. his father can split a cord of wood in 4 hours. how long do paul and his father take to split a cord of wood if they work together?<BR>\n" );
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document.write( "In 1 hour, Paul does 1/12<BR>\n" );
document.write( "In 1 hour, his father does 1/4<BR>\n" );
document.write( "Together they do 1/12 + 1/4 = 1/3 per hour<BR>\n" );
document.write( "1/3 per hour --> 3 hours to do the cord.<BR>\n" );
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