document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=286279>Question 286279</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jim can paint a room in 3 hours. Jane can paint the same room in 5 hours. How long will it take if they work together?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #207594 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=207594\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Jim can paint a room in 3 hours. Jane can paint the same room in 5 hours. How long will it take if they work together?<BR>\n" );
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document.write( "Jim rate: 1/3 room/hr<BR>\n" );
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document.write( "Jane rate: 1/5 room/hr<BR>\n" );
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document.write( "Together rate: 1/x room/hr<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "rate + rate = together rate:<BR>\n" );
document.write( "1/3 + 1/5 = 1/x<BR>\n" );
document.write( "(8/15) = 1/x<BR>\n" );
document.write( "x = 15/8<BR>\n" );
document.write( "x = 1 (7/8) hrs (time to do the job together)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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