SOLUTION: 15 men take 21 days of 8 hours each to do a piece of work. How many days of 6 hours each would 21 men take to finish the same job? Options: (a) 20 (b) 21 (c)

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Question 978653: 15 men take 21 days of 8 hours each to do a piece of work. How many days


of 6 hours each would 21 men take to finish the same job?

Options: (a) 20

(b) 21
(c) 25
(d) 28

Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
15*21*8=21*6*x
15*8=6*x
15*8=6*x
5*8=2x
20=x
option a

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