document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=85236>Question 85236</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Problem:<BR>\n" );
document.write( "Working together, pipe I and Pipe II can fill a tank in 12 hours. Pipe I takes twice as long as pipe II to fill the tank. How long would it take for pipe II, working by itself, to fill the tank.\r<BR>\n" );
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document.write( "solution: Suppose pipe II takes x hours,<BR>\n" );
document.write( "          then pipe I takes 2X hours.\r<BR>\n" );
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document.write( "         together they take 12 hours.<BR>\n" );
document.write( "         so x + 2x = 12hours<BR>\n" );
document.write( "                3x = 12<BR>\n" );
document.write( "                 x = 4\r<BR>\n" );
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document.write( "But I was told that my problem is wrong... and it is to solved using the formulae: work done = rate * time.\r<BR>\n" );
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document.write( "I got this problem in my exam so i do not have  the ISBN.<BR>\n" );
document.write( "Plz help me find answer for this\r<BR>\n" );
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document.write( "Thanking u in advance..\r<BR>\n" );
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document.write( "   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #61423 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=61423\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Working together, pipe I and Pipe II can fill a tank in 12 hours. Pipe I takes twice as long as pipe II to fill the tank. How long would it take for pipe II, working by itself, to fill the tank.<BR>\n" );
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document.write( "You do the problem with rates, not with hours.<BR>\n" );
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document.write( "Pipes together DATA:<BR>\n" );
document.write( "Time = 12 hr./job ; Rate = 1/12 job/hr<BR>\n" );
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document.write( "Pipe II DATA:<BR>\n" );
document.write( "Time = x hrs./job ; Rate = 1/x job/hr<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "Pipe I DATA:<BR>\n" );
document.write( "Time = 2x hrs./jog ; Rate = 1/2x job/hr<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "rate + rate = together rate<BR>\n" );
document.write( "1/x + 1/2x = 1/12<BR>\n" );
document.write( "Multiply thru by 12x to get:<BR>\n" );
document.write( "12 + 6 = x<BR>\n" );
document.write( "x=18 hrs (time it would take Pipe II to do the job)<BR>\n" );
document.write( "================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );