document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=442694>Question 442694</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mary can shovel snow from her driveway in 40 minutes.  Bill can do the same job in 65 minutes.  How long would it take Mary and Bill to shovel the driveway if they 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 #305424 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=305424\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Don't try to remember how to do it, or remember a formula.<BR>\n" );
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document.write( "Mary does 1/40 of the drive per minute.<BR>\n" );
document.write( "Bill does 1/65 per minute.<BR>\n" );
document.write( "That makes sense, right? Then,<BR>\n" );
document.write( "Together, they do 1/40 + 1/65 per minute<BR>\n" );
document.write( "Add those<BR>\n" );
document.write( "= (65 + 40)/2600 per minute = 105/2600 per minute<BR>\n" );
document.write( "That means,<BR>\n" );
document.write( "--> 2600/105 mins per driveway<BR>\n" );
document.write( "= 520/21 minutes<BR>\n" );
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