document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=3221>Question 3221</A>: <I><SPAN STYLE=\"word-break: break-all;\"> sally can paint the house in 4 hours and john can paint it in 6 hours.  how long will it take the two of them to paint the house together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #43651 by </B><A HREF=/tutors/aboutme.mpl?userid=303795><B>303795(602)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=303795><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=43651\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sally takes 4 hours to paint the house so she paints 1/4 of the house per hour.<BR>\n" );
document.write( "John takes 6 hours so he paints 1/6 of the house per hour.\r<BR>\n" );
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document.write( "In one hour they paint 1/4 + 1/6 of the house.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F4+%2B+1%2F6+=+3%2F12+%2B+2%2F12+=+%285%2F12%29+of+the+house ALIGN=MIDDLE  ALT=\"1%2F4+%2B+1%2F6+=+3%2F12+%2B+2%2F12+=+%285%2F12%29+of+the+house\"   DISABLED_style= \"max-width:90%; height:auto;\" > To paint the whole house will take 12/5 of an hour <BR>\n" );
document.write( "ie 2 hours and 24 minutes. </SPAN>\n" );
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