Question
8 men can build a house in 6 months how long will it take 12 men tovdo the same job working at the same rate?
Answers
Reiny
the time taken would be inversely proportional to the number of men, that is , the men we have working the less time it takes.
t = k/m
k = tm
given: 8 men take 6 months
k = 6x8 = 48
when m = 12
t = 48/12 = 4
or
number of "man-months" = 48
time for 12 men = 48/12 = 4 months
t = k/m
k = tm
given: 8 men take 6 months
k = 6x8 = 48
when m = 12
t = 48/12 = 4
or
number of "man-months" = 48
time for 12 men = 48/12 = 4 months