document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=211575>Question 211575</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780495558880/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help me with this \"filling storage tanks\" word problem? Two pipes ure used to fill a water storage tank. The first pipe can fill the tank in 4hrs, and the two pipes together can fill the tank in 2 hrs less time than the second pipe alone. How long would it take for the second pipe to fill the tank? please show me all the steps and please get back before Tues 10am. <BR>\n" );
document.write( "Thanks guys </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #159873 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=159873\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4X/(4+X)=(X-2)<BR>\n" );
document.write( "4X=(4+X)(X-2)<BR>\n" );
document.write( "4X=4X+X^2-2X-8<BR>\n" );
document.write( "4X-4X=X^2-2X-8<BR>\n" );
document.write( "X^2-2X-8=0<BR>\n" );
document.write( "(X-4)(X+2)=0<BR>\n" );
document.write( "X-4=0<BR>\n" );
document.write( "X=4 HOURS FOR THE SECOND PIPE TO FILL THE TANK WORKING ALONE.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "4*4/(4+4)=4-2<BR>\n" );
document.write( "16/8=2<BR>\n" );
document.write( "2=2 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );