document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=678456>Question 678456</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Alex can complete a work in 5 hours and Ben can complete the same work in 10 hours .How many hours will they both take to complete the job together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #421437 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=421437\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     Alex can complete a work in 5 hours and Ben can complete the same work in 10 hours .How many hours will they both take to complete the job together?<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let x = time (hours) for both<BR>\n" );
document.write( "then<BR>\n" );
document.write( "x(1/5 + 1/10) = 1<BR>\n" );
document.write( "multiplying both sides by 10:<BR>\n" );
document.write( "x(2 + 1) = 10<BR>\n" );
document.write( "x(3) = 10<BR>\n" );
document.write( "x = 10/3<BR>\n" );
document.write( "x = 3 and 1/3 hours<BR>\n" );
document.write( "or<BR>\n" );
document.write( "x = 3 hours and 20 minutes<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );