SOLUTION: If 8 assemblers can complete a certain job in 9 ​hours, how long will the same job take if the number of assemblers is cut back to 6​?

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Question 1103889: If 8 assemblers can complete a certain job in 9 ​hours, how long will the same job take if the number of assemblers is cut back to 6​?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
8%2AR%2A9=1
R=1%2F72
So the rate for one assembler is 1%2F72.
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6%281%2F72%29%2AT=1
%286%2F72%29%2AT=1
T=72%2F6
T=12hrs