document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1023173>Question 1023173</A>: <I><SPAN STYLE=\"word-break: break-all;\"> one pipe can fill a tank in 20 minutes , while another takes 30 minutes to fill the same tank.how long would it take two pipes together to fill the tank? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #638704 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52803)</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=638704\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "one pipe can fill a tank in 20 minutes , while another takes 30 minutes to fill the same tank.how long would it take two pipes together to fill the tank?<BR>\n" );
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document.write( "One pipe fills <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F20 ALIGN=MIDDLE  ALT=\"1%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" > of the tank volume per minute.\r<BR>\n" );
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document.write( "The second pipe fills <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F30 ALIGN=MIDDLE  ALT=\"1%2F30\"   DISABLED_style= \"max-width:90%; height:auto;\" > of the tank volume per minute.\r<BR>\n" );
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document.write( "Working together, both pipes fill\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F20+%2B+1%2F30 ALIGN=MIDDLE  ALT=\"1%2F20+%2B+1%2F30\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F60+%2B+2%2F60 ALIGN=MIDDLE  ALT=\"3%2F60+%2B+2%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F60 ALIGN=MIDDLE  ALT=\"5%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F12 ALIGN=MIDDLE  ALT=\"1%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "of the tank volume per minute.\r<BR>\n" );
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document.write( "Hence it will take 12 minutes to fill the tank if both pipes work simultaneously.\r<BR>\n" );
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document.write( "It is a typical problem on joint work.<BR>\n" );
document.write( "See the lesson <A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/Rate-of-work-word-problems/Word-problems-WORKING-TOGETHER-by-Fractions.lesson>Using fractions to solve word problems on joint work</A> in this site, where you will find <BR>\n" );
document.write( "numerous examples of solved problems of this kind.\r<BR>\n" );
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document.write( "Read it attentively, and you will learn on how to solve any problem of this kind :)\r<BR>\n" );
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