document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=586411>Question 586411</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if sammy can mow a lawn in 3 hours and laura can mow the same lawn in 4 hours, how long will it take them if they work together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #373747 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=373747\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     if sammy can mow a lawn in 3 hours and laura can mow the same lawn in 4 hours, how long will it take them if they work together?<BR>\n" );
document.write( "Let x = time (hours) it takes together<BR>\n" );
document.write( "then<BR>\n" );
document.write( "x(1/3 + 1/4) = 1<BR>\n" );
document.write( "x(4 + 3) = 12<BR>\n" );
document.write( "x(7) = 12<BR>\n" );
document.write( "x = 12/7<BR>\n" );
document.write( "x = 1 hour and 43 minutes<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );