Posted by **vincent** on Saturday, August 3, 2013 at 4:28pm.

if 8 men can do a job in days, what is the percentage increase in number of days required to do the job when 2 men are released?

not just an answer please.

A.16 2/3%

B.25%

C. 33 1/3%

D.40%

E.48%

- math -
**Steve**, Saturday, August 3, 2013 at 5:45pm
6 men is 3/4 of 8 men

So, they can only do 3/4 as much work in a day.

So, it takes 4/3 as many days, or

(C)

- math -
**Reiny**, Saturday, August 3, 2013 at 5:55pm
suppose it took n days

number of man-days = 8n

if done by 6 men

number of days = 8n/6 = 4n/3

change in days = 4n/3 - n = (1/3)n

percentage change = (1/3)n / n = 1/3 or 33 1/3%

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