document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=54600>Question 54600</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes 5 hours for John to do some job. he worked for an hour , and then Mike joined . Together they finished the job in 1 1/2 hour.<BR>\n" );
document.write( "a) how long would it take mike to do the job by himself?<BR>\n" );
document.write( "b) if john worked for 3 hours before mike joined him , how long would it take for them to finish 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 #36871 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=36871\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It takes 5 hours for John to do some job. <BR>\n" );
document.write( "JOHN IN 1 HR DOES 1/5=0.2 JOB\r<BR>\n" );
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document.write( "he worked for an hour ,\r<BR>\n" );
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document.write( "HENCE JOHN COMPLETED 1/5 JOB....<BR>\n" );
document.write( "BALANCE JOB = 1-1/5 = 4/5=0.8 JOB\r<BR>\n" );
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document.write( " and then Mike joined . Together they finished the job in 1 1/2 hour.<BR>\n" );
document.write( "THAT IS JOHN + MIKE TOOK 1.5 HRS TO DO 4/5=0.8 JOB<BR>\n" );
document.write( "JOHN+MIKE DO IN 1 HR 0.8/1.5=8/15 JOB<BR>\n" );
document.write( "BUT JOHN DOES IN 1 HR  1/5 JOB <BR>\n" );
document.write( "SO MIKE DID IN 1 HR .....8/15 - 1/5 = 5/15=1/3 JOB <BR>\n" );
document.write( "SO MIKE NEEDS 1/(1/3) HRS = 3 HRS TO DO 1 WHOLE JOB.<BR>\n" );
document.write( "a) how long would it take mike to do the job by himself?<BR>\n" );
document.write( "SO MIKE NEEDS 1/(1/3) HRS = 3 HRS TO DO 1 WHOLE JOB.\r<BR>\n" );
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document.write( "b) if john worked for 3 hours before mike joined him , how long would it take for them to finish the job together?<BR>\n" );
document.write( "JOHN DOES IN 3 HRS 3/5 JOB<BR>\n" );
document.write( "BALANCE JOB =1-3/5 = 2/5 JOB<BR>\n" );
document.write( "JOHN + MIKE DO IN 1 HR 8/15 JOB<BR>\n" );
document.write( "JOHN + MIKE NEED (2/5)/(8/15)=(2*15)/(8*5) = 3/4 HRS TO COMPLETE THE JOB \r<BR>\n" );
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document.write( " </SPAN>\n" );
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