document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=349049>Question 349049</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Typist A spends 2560 minutes to do a job. How much time does it take for Typist B to do the same job, if when they work together it takes them both 45 minutes to do four jobs? \r<BR>\n" );
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document.write( "I am having trouble with this thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #249499 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16948)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=249499\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I am not too sure the problem has been copied correctly.<BR>\n" );
document.write( "Anyway\r<BR>\n" );
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document.write( "45 minutes to do 4 jobs<BR>\n" );
document.write( "1 job 45/4 = minutes.<BR>\n" );
document.write( "together they do 4/45 of the job in 1 minute.<BR>\n" );
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document.write( "Typist A takes 2560 minutes to do the job<BR>\n" );
document.write( "he does 1/2560 of the job in 1 minute.<BR>\n" );
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document.write( "Typist B does 4/45 - 1/2650 of the job in 1 minute<BR>\n" );
document.write( "4*2650-45 / 45*2650<BR>\n" );
document.write( "=10600-45/119250<BR>\n" );
document.write( "=10555/119250<BR>\n" );
document.write( "=0.089 of the job in 1 minute<BR>\n" );
document.write( "Typist B will take 1/0.089 minutes<BR>\n" );
document.write( "11.3 minutes<BR>\n" );
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