document.write( "Question 1145985: Ker can do a job in 6 hours. If he requests Kan to work with him, the two can do the job in 3 hrs. How long will it take Kan to do the job alone?
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Algebra.Com's Answer #767266 by richwmiller(17219)\"\" \"About 
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3/6 is Ker's part in 3 hours
\n" ); document.write( "We see immediately that is 1/2
\n" ); document.write( "so Kan must be working at the same rate. which is 6 hrs for the whole job
\n" ); document.write( "3/6+3/x=1
\n" ); document.write( "3/x=3/6
\n" ); document.write( "x=6\r
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