document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=621419>Question 621419</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Maria can shovel her driveway in 65 minutes.  Bill can do the same job in 40 minutes.  How long would it take Maria 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 #390745 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=390745\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Maria can shovel her driveway in 65 minutes.  Bill can do the same job in 40 minutes.  How long would it take Maria and Bill to shovel the driveway if they worked together?<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let x = time (minutes) it takes for both<BR>\n" );
document.write( "then<BR>\n" );
document.write( "x(1/65 + 1/40) = 1<BR>\n" );
document.write( "multiply both sides by (65)(40):<BR>\n" );
document.write( "x(40 + 65) = (65)(40)<BR>\n" );
document.write( "x(105) = 2600<BR>\n" );
document.write( "x = 2600/105<BR>\n" );
document.write( "x = 24.76 minutes<BR>\n" );
document.write( "or rounding:<BR>\n" );
document.write( "x = 25 minutes<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );