document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1103450>Question 1103450</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two companies working together can clear a parcel of land in 27 hours . Working alone it would take company A 2 hours longer to clear the land than it would Company B to clear the parcel of land alone? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #718166 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=718166\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1/x+1/(x+2)=1/27<BR>\n" );
document.write( "(27*x*(x+2))/x+(27*x*(x+2))/(x+2)=(27*x*(x+2))/27<BR>\n" );
document.write( "(27*(x+2))+27*x=x*(x+2)<BR>\n" );
document.write( "27*x+54+27*x=x^2+2*x<BR>\n" );
document.write( "54*x+54=x^2+2*x<BR>\n" );
document.write( "x^2-52*x-54=0<BR>\n" );
document.write( "Can it be factored?<BR>\n" );
document.write( "What factors of -54 add up to -52?<BR>\n" );
document.write( "Nevertheless, we will complete the square.<BR>\n" );
document.write( "x^2-52*x=54<BR>\n" );
document.write( "Add it.<BR>\n" );
document.write( "x^2-52*x+(-52/2)=54+(-52/2)<BR>\n" );
document.write( "Square it.<BR>\n" );
document.write( "x^2-52*x+(2704/4)=54+(2704/4)<BR>\n" );
document.write( "x^2-52*x+(676)=54+(676)<BR>\n" );
document.write( "x^2-52*x+(676)=730<BR>\n" );
document.write( "(x-26)^2=730<BR>\n" );
document.write( "(x-26)^2=730<BR>\n" );
document.write( "We will continue.<BR>\n" );
document.write( "x+-26=(+-)27.0185122<BR>\n" );
document.write( "x=26(+-)27.0185122<BR>\n" );
document.write( "Positive useful answer:<BR>\n" );
document.write( "x=26+27.0185122<BR>\n" );
document.write( "Company B x=53.0185122<BR>\n" );
document.write( "x+2=2+53.0185122<BR>\n" );
document.write( "x+2=55.0185122<BR>\n" );
document.write( "Company A =55.0185122<BR>\n" );
document.write( "check<BR>\n" );
document.write( "1/x+1/(x+2)=1/27<BR>\n" );
document.write( "1/53.0185122+1/(53.0185122+2)=1/27<BR>\n" );
document.write( "1/53.0185122+1/55.0185122=1/27<BR>\n" );
document.write( "55.0185122/2916.99966+53.0185122/2916.99966=1/27<BR>\n" );
document.write( "108.037024/2916.99966=1/27<BR>\n" );
document.write( "0.37037037e-1=0.37037037e-1<BR>\n" );
document.write( "ok\r<BR>\n" );
document.write( "\n" );
document.write( "Useless answer:<BR>\n" );
document.write( "x=26-27.0185122<BR>\n" );
document.write( "Useless answer is x=-1.01851217<BR>\n" );
document.write( " x =-1.01851217<BR>\n" );
document.write( " This answer is useless because it is Negative<BR>\n" );
document.write( "For real life cases involving time, distance and other measurements, we reject the negative results<BR>\n" );
document.write( "codewtp<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );