document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1153780>Question 1153780</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A contractor hires two bulldozers to clear the trees from a 20 acre tract of land. One works twice as fast as the other. It takes them 3 days to clear the tract working together. How long would it take each of them alone? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #776079 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13209)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=776079\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "A very different way of solving the problem, which I find much easier and faster....<br><BR>\n" );
document.write( "Since one of the bulldozers works twice as fast as the other, when working together one bulldozer does 2/3 of the work and the other does 1/3.<br><BR>\n" );
document.write( "So the slower bulldozer does 1/3 of the job in 3 days, which means it will take it 9 days to do the job alone.<br><BR>\n" );
document.write( "And the faster bulldozer works twice as fast, so it will take it half as long as the other to do the job alone -- 4.5 days.<br><BR>\n" );
document.write( "ANSWERS:<BR>\n" );
document.write( "4.5 days alone for the faster bulldozer<BR>\n" );
document.write( "9 days alone for the slower<br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );