document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=903951>Question 903951</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Pump A can fill a tank in 10 hours. Pump B can empty the same tank in 15  hours. If both pumps are in operation, how long will it take to fill the tank? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #548407 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=548407\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F10+%2B+1%2F15+=+1%2Fx ALIGN=MIDDLE  ALT=\"1%2F10+%2B+1%2F15+=+1%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "3x + 2x = 30<BR>\n" );
document.write( "5x = 30<BR>\n" );
document.write( "x = 6hr to fill the tank<BR>\n" );
document.write( "And...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F30+%2B+2%2F30+=+5%2F30+=+1%2F6 ALIGN=MIDDLE  ALT=\"3%2F30+%2B+2%2F30+=+5%2F30+=+1%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );