document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=904190>Question 904190</A>: <I><SPAN STYLE=\"word-break: break-all;\"> rebecca can paint a room in 9 hours. Ryan can paint the same room in 8 hours. How long does it take for both rebecca and ryan to paint the room if they are working 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 #548560 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=548560\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> rebecca can paint a room in 9 hours. Ryan can paint the same room in 8 hours. How long does it take for both rebecca and ryan to paint the room if they are working together<BR>\n" );
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document.write( "Reb paints 1/9 of the room per hour.<BR>\n" );
document.write( "Ryan paints 1/8 of the room per hour.<BR>\n" );
document.write( "Together, they paint 1/8 + 1/9 = 17/72 room per hour<BR>\n" );
document.write( "--> 72/17 hours/room<BR>\n" );
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document.write( "Here's a shortcut:<BR>\n" );
document.write( "It's 8*9/(8+9) = 72/17<BR>\n" );
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