document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=212323>Question 212323</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This is my problem.\r<BR>\n" );
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document.write( "It takes two oil pipelines 30 minutes to fill a tank. One pipeline fills the tank in 45 minutes. How long will it take to fill the tank with the other pipeline alone?\r<BR>\n" );
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document.write( "I tried this:<BR>\n" );
document.write( "x+y=30<BR>\n" );
document.write( "y=1.5(x+y)\r<BR>\n" );
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document.write( "I got y=-3 and x=33 but it doesn't make since that y=-3. Can you help? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #160351 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=160351\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If it takes two pipes to fill the tank in 30 minutes, then the two pipelines will fill 1/30 of the tank in one minute.<BR>\n" );
document.write( "If it takes one pipeline 45 minutes to fill the tank, the it will fill 1/45 of the tank in one minute.<BR>\n" );
document.write( "So subtract:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F30-1%2F45+=+3%2F90-2%2F90 ALIGN=MIDDLE  ALT=\"1%2F30-1%2F45+=+3%2F90-2%2F90\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F90 ALIGN=MIDDLE  ALT=\"1%2F90\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So the other pipeline can fill 1/90 of the tank in one minute, therefore it will take 90 minutes to fill the tank. </SPAN>\n" );
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