document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=945665>Question 945665</A>: <I><SPAN STYLE=\"word-break: break-all;\"> joe can paint the barn in 11 hours by himself. Steve has never timed himself painting a barn before so we don't know how fast he can complete the job. Working together, the two finish the job in 7 hours. How long would it take steve to paint the barn alone? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #576805 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=576805\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = hours Steve takes to paint the barn alone<BR>\n" );
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document.write( "rate:<BR>\n" );
document.write( "r = w/t<BR>\n" );
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document.write( "rates are additive:<BR>\n" );
document.write( "1/11 + 1/x = 1/7<BR>\n" );
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document.write( "1/x = 1/7 - 1/11<BR>\n" );
document.write( "x = 1/(1/7 - 1/11)<BR>\n" );
document.write( "1/(1/7 - 1/11)<BR>\n" );
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document.write( "x = 19.25<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );