document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=311386>Question 311386</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Melanie can paint a barn by herself in x days.  Her helper Melissa can paint the same barn by herself in 2x days.  Write a rational expression for the fraction of the barn that they complete in one day by working together.  Evaluate the expression for x=5.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #222759 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16949)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=222759\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Melanie can paint a barn in x days<BR>\n" );
document.write( "So she does 1/x of job in 1 day.<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Melissa does it in 2x days.<BR>\n" );
document.write( "so she does 1/2x of the job in 1 day.<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Together they do 1/x + 1/2x of the job in 1 day\r<BR>\n" );
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document.write( "=3/2x of the job in 1 day.\r<BR>\n" );
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document.write( "if x =5\r<BR>\n" );
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document.write( "3/10 of the barn they will paint together in 1 day </SPAN>\n" );
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