document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=626459>Question 626459</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jay’s basement flooded last night. He has two pumps he can use to drain the water.<BR>\n" );
document.write( "Pump #1 can drain the basement in 5 hours. Working together, the two pumps can<BR>\n" );
document.write( "drain the basement in 2 hours. How long would it take Pump #2 to drain the basement<BR>\n" );
document.write( "working alone? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #394175 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=394175\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Jay’s basement flooded last night. He has two pumps he can use to drain the water.<BR>\n" );
document.write( "Pump #1 can drain the basement in 5 hours. Working together, the two pumps can<BR>\n" );
document.write( "drain the basement in 2 hours. How long would it take Pump #2 to drain the basement working alone?<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let x = time (hours) it takes for pump #2 alone<BR>\n" );
document.write( "then<BR>\n" );
document.write( "2(1/5 + 1/x) = 1<BR>\n" );
document.write( "multiplying both sides by 5x:<BR>\n" );
document.write( "2(x + 5) = 5x<BR>\n" );
document.write( "2x + 10 = 5x<BR>\n" );
document.write( "10 = 3x<BR>\n" );
document.write( "10/3 = x<BR>\n" );
document.write( "or<BR>\n" );
document.write( "3 hours and 20 minutes = x </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );