document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=993391>Question 993391</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi,\r<BR>\n" );
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document.write( "I would like to say thank you for your help in advanced!\r<BR>\n" );
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document.write( "Here is my question:\r<BR>\n" );
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document.write( "A tank can be filled by a certain pipe in 18.0 hours. Five hours after this pipe is opened,it is supplemented by a smaller pipe which by itself could fill the tank in 24.0 hours. Find the total time, measured from the opening of the larger pipe, to fill the tank. \r<BR>\n" );
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document.write( "PLEASE PLEASE PLEASE explain your solution. I am lost with these kind of problems.\r<BR>\n" );
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document.write( "Thank you,<BR>\n" );
document.write( "Anthony \r<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 #612663 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52787)</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=612663\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "Thank you for asking.\r<BR>\n" );
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document.write( "The first pipe fills <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F18 ALIGN=MIDDLE  ALT=\"1%2F18\"   DISABLED_style= \"max-width:90%; height:auto;\" > of the tank volume in one hour (in each hour).\r<BR>\n" );
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document.write( "After &nbsp;5&nbsp; hour of working, &nbsp;this pipe will fill &nbsp;<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F18 ALIGN=MIDDLE  ALT=\"5%2F18\"   DISABLED_style= \"max-width:90%; height:auto;\" > &nbsp;of the tank volume, &nbsp;and &nbsp;<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13%2F18 ALIGN=MIDDLE  ALT=\"13%2F18\"   DISABLED_style= \"max-width:90%; height:auto;\" > &nbsp;of the volume will remain still non-filled.\r<BR>\n" );
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document.write( "The second pipe fills &nbsp;<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F24 ALIGN=MIDDLE  ALT=\"1%2F24\"   DISABLED_style= \"max-width:90%; height:auto;\" > &nbsp;of the tank volume per hour. &nbsp;When both pipes are at work, &nbsp;they fill &nbsp;<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F18 ALIGN=MIDDLE  ALT=\"1%2F18\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F24 ALIGN=MIDDLE  ALT=\"1%2F24\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F72 ALIGN=MIDDLE  ALT=\"4%2F72\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F72 ALIGN=MIDDLE  ALT=\"3%2F72\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F72 ALIGN=MIDDLE  ALT=\"7%2F72\"   DISABLED_style= \"max-width:90%; height:auto;\" > &nbsp;of the tank volume for each hour. \r<BR>\n" );
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document.write( "They will fill the remaining volume of the tank in &nbsp;<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13%2F18 ALIGN=MIDDLE  ALT=\"13%2F18\"   DISABLED_style= \"max-width:90%; height:auto;\" > : <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F72 ALIGN=MIDDLE  ALT=\"7%2F72\"   DISABLED_style= \"max-width:90%; height:auto;\" > &nbsp;hours. &nbsp;Now, \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13%2F18 ALIGN=MIDDLE  ALT=\"13%2F18\"   DISABLED_style= \"max-width:90%; height:auto;\" > : <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F72 ALIGN=MIDDLE  ALT=\"7%2F72\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2813%2A72%29%2F%2818%2A7%29 ALIGN=MIDDLE  ALT=\"%2813%2A72%29%2F%2818%2A7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2813%2A4%29%2F7 ALIGN=MIDDLE  ALT=\"%2813%2A4%29%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=52%2F7 ALIGN=MIDDLE  ALT=\"52%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7 ALIGN=MIDDLE  ALT=\"7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F7 ALIGN=MIDDLE  ALT=\"3%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" > &nbsp;hours. \r<BR>\n" );
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document.write( "Hence, &nbsp;the total time, &nbsp;measured from the opening of the larger pipe, &nbsp;to fill the tank is &nbsp;<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5 ALIGN=MIDDLE  ALT=\"5\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7 ALIGN=MIDDLE  ALT=\"7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F7 ALIGN=MIDDLE  ALT=\"3%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12 ALIGN=MIDDLE  ALT=\"12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F7 ALIGN=MIDDLE  ALT=\"3%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" > &nbsp;hour.\r<BR>\n" );
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document.write( "Many of typical &nbsp;\"joint work\"&nbsp; problems are considered and solved in the lesson &nbsp;<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>&nbsp; in this site.\r<BR>\n" );
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