document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1102270>Question 1102270</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 10.	One hose can fill a swimming pool in 40 hours while the second hose fills the pool in 60 hours.  How long would it take to fill-up the swimming pool using both hoses together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #716944 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=716944\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Here is an alternative method for solving these \"working together\" problems that I find many students prefer to the standard algebraic method shown by the other tutors.<br><BR>\n" );
document.write( "One hose takes 40 hours to fill the pool alone; another takes 60 hours.<BR>\n" );
document.write( "Imagine you have several of these pools.<BR>\n" );
document.write( "The least common multiple of 40 and 60 is 120.<BR>\n" );
document.write( "In 120 hours the first hose could fill 3 pools and the second hose could fill 2 pools.<BR>\n" );
document.write( "So in 120 hours the two hoses together could fill 5 pools.<BR>\n" );
document.write( "But at that rate the two together could fill the one pool in 120/5 = 24 hours. </SPAN>\n" );
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