document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=50781>Question 50781</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The work principal states that if one person can do a job in time 'a' and another can do the same job in time 'b' that they can do the job together in time 't'. This is demonstrated by the equation:<BR>\n" );
document.write( "1 over a plus 1 over b = 1 over t<BR>\n" );
document.write( "Write the expression in terms of a:<BR>\n" );
document.write( "And then use t=5 hours and b=8 hours, approximately what is a? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #33815 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=33815\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A=5 HOURS B=8 HOURS & T IS THE TIME FOR THE COMBINED JOB.\r<BR>\n" );
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document.write( "THUS 1/A+1/B=1/T OR (A+B)/AB=1/T OR AB=AT+BT OR AB-AT=BT OR A(B-T)=BT OR<BR>\n" );
document.write( "A=BT/(B-T) \r<BR>\n" );
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document.write( " </SPAN>\n" );
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