document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1176251>Question 1176251</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One grocery clerk can stock a shelf in 30 min. A second cleck requires 45 min to stock the same shelf. How long would it take to stock the shelf if the two clerks worked together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #802721 by </B><A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><B>CubeyThePenguin(3113)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><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=CubeyThePenguin><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=802721\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> clerk A: 1/30 of the shelf stocked in 1 minute<BR>\n" );
document.write( "clerk B: 1/45 of the shelf stocked in 1 minute\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "together: 1/x of the shelf stocked in 1 minute\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "1/30 + 1/45 = 1/x\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "x = 18 minutes </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );