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%

## Answer This Question

## Related Questions

- maths - 300 men were engaged to complete a job in a certain number of days. but ...
- math - If a job takes 64 men to complete in 15 days, how many more men will take...
- math - I 64 men do a job in 15 days how many more men are needed to do the job ...
- work - b)5 men can do equal amount of work as 8 women. If 3 men and 5 women ...
- maths - 300 mens were engaged to complete a job in a certain number of days. ...
- airthmetic progression - 300 men wre engaged to complete a job in acertain ...
- arithmetic - Three men are working together can finish a house repair job in 10 ...
- Maths ( urgent help ) - 20 men can do a piece of work in 24 days. After working ...
- math - 20 men can do a piece of work in 24 days. After working for 6 days, ...
- math - vanessa can do a job in 12 days. after she has worked for 4 days, she is ...

More Related Questions