document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1154714>Question 1154714</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Howard and Edward, working together, can complete a job in 12 hours.  Edward requires 18 hours to do this job alone.  Howard and Edward start the job.  After they worked for 4 hours, Howard left the job.  How many hours will Edward require to finish the job working alone? </SPAN>\n" );
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document.write( "They take 12 hours to do the job together.<br><BR>\n" );
document.write( "In the beginning, they work together for 4 hours.  The fraction of the job that gets done is 4/12 = 1/3; 2/3 of the job remains.<br><BR>\n" );
document.write( "Edward takes 18 hours to do the job alone.  To do the 2/3 of the job that remains alone, the required amount of time is 2/3 of 18 hours, or 12 hours.<br><BR>\n" );
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