document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=174353>Question 174353</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A professional painter can paint the interior of the Jacksons' house in 7 hours. John Jackson can do the same job in 12 hours. How long would it take these two people working together to finish the same job? Round to the nearest minute. Please solve step by step. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #129297 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=129297\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> so prof painter can do 1/7 of the job per hour <BR>\n" );
document.write( "and John can do 1/12 of the job per hour<BR>\n" );
document.write( "together they can do <BR>\n" );
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document.write( "1/12+1/7=7/84++12/84=19/84 of the job per hour<BR>\n" );
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document.write( "19/84(t)=1<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28t=84%2F19%29 ALIGN=MIDDLE  ALT=\"highlight%28t=84%2F19%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > hours.....which is appx 4.42 hours </SPAN>\n" );
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