document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=39220>Question 39220</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hope I'm in the right section!!!!  This seems like a variation of an average problem.   It is a very basic problem but for the life of me I can't find the equation to solve this problem ( even when I have the correct answer at hand )\r<BR>\n" );
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document.write( " Sam makes 20 drinks in 5 minutes , Sue makes 20 drinks in 10 minutes, and Jack makes 20 drinks in 15 minutes. If they work together how long will it take them to make 20 drinks?????    ( answer listed as 2 min. 44 sec. )  what formula is used to solve this?? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #24646 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=24646\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rate ....<BR>\n" );
document.write( "Sam: (1/5)<BR>\n" );
document.write( "Sue: (1/10)<BR>\n" );
document.write( "Jack: (1/15)<BR>\n" );
document.write( "Time ....<BR>\n" );
document.write( "t<BR>\n" );
document.write( "R * T = Work<BR>\n" );
document.write( "(t/5) + (t/10) + (t/15) = 1<BR>\n" );
document.write( "3t + 1.5t + t = 15<BR>\n" );
document.write( "5.5t = 15<BR>\n" );
document.write( "t = (15/5.5) = (150/55) = 30/11 = about 2 min. and 44 sec. </SPAN>\n" );
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