document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=464513>Question 464513</A>: <I><SPAN STYLE=\"word-break: break-all;\"> janet can shovel snow from her driveway in 30 minutes. Bill can do the same job in 40 minutes. How long would it take Janet and Bill if they shovel together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #318231 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=318231\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> janet can shovel snow from her driveway in 30 minutes. Bill can do the same job in 40 minutes. How long would it take Janet and Bill if they shovel together?<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Janet rate = 1/30 job/min<BR>\n" );
document.write( "Bill rate = 1/40 job/min<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Together rate = 1/x job/min<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "rate + rate = together rate<BR>\n" );
document.write( "---<BR>\n" );
document.write( "1/30 + 1/40 = 1/x<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Multiply thru by 120x to get:<BR>\n" );
document.write( "4x + 3x = 120<BR>\n" );
document.write( "7x = 120<BR>\n" );
document.write( "x = 120/7 = 17.14 minutes (together time)<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );