document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1153927>Question 1153927</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One pump fills a tank 3 times as fast as another pump. If the pumps work​ together, they fill the tank in 12 minutes. How long does it take for each pump to fill the​ tank?<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 #776254 by </B><A HREF=/tutors/aboutme.mpl?userid=ramkikk66><B>ramkikk66(644)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ramkikk66><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=776254\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This problem may seem puzzling at first since the actual rate of filling, and the actual capacity of the tank are not given. However it can be solved as follows.\r<BR>\n" );
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document.write( "Let vol of tank be X litres\r<BR>\n" );
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document.write( "Let rate of P1 be y litres/min<BR>\n" );
document.write( "Then rate of P2 is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2Ay ALIGN=MIDDLE  ALT=\"3%2Ay\"   DISABLED_style= \"max-width:90%; height:auto;\" > litres/min<BR>\n" );
document.write( "If they work together, rate is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2Ay ALIGN=MIDDLE  ALT=\"4%2Ay\"   DISABLED_style= \"max-width:90%; height:auto;\" > litres /min<BR>\n" );
document.write( "and it takes 12 min.<BR>\n" );
document.write( "So capacity of tank = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2Ay+%2A+12+=+48%2Ay ALIGN=MIDDLE  ALT=\"4%2Ay+%2A+12+=+48%2Ay\"   DISABLED_style= \"max-width:90%; height:auto;\" > litres\r<BR>\n" );
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document.write( "So if P1 alone is used, time taken <BR>\n" );
document.write( "= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=48%2Ay+%2F+y+=+48+min ALIGN=MIDDLE  ALT=\"48%2Ay+%2F+y+=+48+min\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "If P2 alone is used, time taken<BR>\n" );
document.write( "= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2848%2Ay%29+%2F+%283%2Ay%29+=+16+min ALIGN=MIDDLE  ALT=\"%2848%2Ay%29+%2F+%283%2Ay%29+=+16+min\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solved.<BR>\n" );
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