document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1158785>Question 1158785</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Elroy and Herbert are product testers at a company that makes mouthwash.  If Elroy can complete a gargling cycle once every 20 seconds, and Herbert can complete a gargling cycle once every 30 seconds, how many seconds will it take them together to complete a combined total of 15 gargling cycles? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #781758 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=781758\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
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document.write( "Every 60 seconds, E makes 3 cycles, while H makes 2 cycles; together they make 3+2 = 5 cycles each minute.\r\n" );
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document.write( "So, they need  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15%2F5 ALIGN=MIDDLE  ALT=\"15%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 3 minutes to complete 15 cycles.    <U>ANSWER</U>\r\n" );
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document.write( "Solved, explained and completed.\r<BR>\n" );
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document.write( "Such problems, &nbsp;and this one, &nbsp;in particular, &nbsp;are intended for the 3-rd - 4-th grade young students, \r<BR>\n" );
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document.write( "who don't know equations, at all.\r<BR>\n" );
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document.write( "So, &nbsp;what I presented in my post, &nbsp;is a &nbsp;STANDARD &nbsp;method for them to solve such problems.\r<BR>\n" );
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document.write( "It is their FIRST acquaintance with the joint work problems --- therefore, the solution method should be adequate.\r<BR>\n" );
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document.write( "From this point of view, any complications in solving method (as the other tutor presents) are NOT appropriate for them. \r<BR>\n" );
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document.write( "If you want to see many other problems, &nbsp;solved in this way, &nbsp;look into the lesson\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/Rate-of-work-word-problems/Special-joint-wok-problems-that-admit-and-require-an-alternative-solution-method.lesson>Special joint work problems that admit and require an alternative solution method</A>\r<BR>\n" );
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document.write( "in this site.\r<BR>\n" );
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