document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=405131>Question 405131</A>: <I><SPAN STYLE=\"word-break: break-all;\"> one conveyor belt requires 20 minutes to fill a large truck with ore. A second conveyor belt requires 30 minutes to fill the same truck with ore. how long would it take if both conveyor belts were working together to fill the truck with ore? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #286252 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley79><B>checkley79(3341)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley79><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=286252\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1/20+1/30=1/x<BR>\n" );
document.write( "(30+20)/20*30=1/x<BR>\n" );
document.write( "50/600=1/x<BR>\n" );
document.write( "50x=600<BR>\n" );
document.write( "x=600/50<BR>\n" );
document.write( "x=12 hours to fill the truck usung both conveyers. </SPAN>\n" );
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