document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1119>Question 1119</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sally can paint a house in 4 hours and Joe can paint the same house in 6 hours.  If they work together how long will it take them to paint the house?\r<BR>\n" );
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document.write( "thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #333 by </B><A HREF=/tutors/aboutme.mpl?userid=usyim88hk><B>usyim88hk(158)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=usyim88hk><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=333\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First you have to know how much painting they could done in one hour<BR>\n" );
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document.write( "For one hour, she can paint 1/4 of the house because 1 divide by 4 is 1/4<BR>\n" );
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document.write( "For Joe, he can paint 1/6 of the house in one hour because 1 divide by 6 is 1/6<BR>\n" );
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document.write( "So now we can add 1/4 and 1/6 together to determine how much they could paint in one hour which is equal to 3/12 + 2/12 = (5/12)<BR>\n" );
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document.write( "So they could finish 5/12 of painting in one hour, now we can devide 1 by (5/12) to determine how much time they need to paint the whole house<BR>\n" );
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document.write( "1/(5/12) = 2.4<BR>\n" );
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document.write( "So they took 2.4 hour (or 2 hours 24 mins) to paint a house together </SPAN>\n" );
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