SOLUTION: 30 men can do a certain work in 15 days. They started working on the project but 5 of them leave after every five days. In how many days will the work be completed now?

Question 978145: 30 men can do a certain work in 15 days. They started working on the project but 5 of them leave after every five days. In how many days will the work be completed now?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
r, the one-man rate
for ONE JOB.

THEY work for 5 days, and then of them continue to work to completion of the one job.

Answer by MathTherapy(10555) (Show Source): You can put this solution on YOUR website!
30 men can do a certain work in 15 days. They started working on the project but 5 of them leave after every five days. In how many days will the work be completed now?

Time taken: days
RELATED QUESTIONS
25 men can do a project in 20 days . 15 men leave the project after working for some... (answered by josmiceli)
if 15 men can do a work in 210 days . they started working but at the end 10 days 15... (answered by josgarithmetic)
1.'A' works twice as fast as 'B'. If both of them together take 6 days to complete the... (answered by josmiceli,vvnrichards)
10 Men begin to work together on a job, but after some days, 4 of them left the job. As a (answered by josmiceli)
Twelve men can complete a work in 8 days. Three days after they started the work, 3 more... (answered by Edwin McCravy)
45 men can complete the work in 16 days. four days after they started working, 36 more... (answered by fractalier)
1. 20 men can do a piece of work in 30 days.After working for how many days should 5 men... (answered by josgarithmetic)
15 men can do a work in 210 days.if 15 additional men engaged every after 10 days, in how (answered by ikleyn)
15 men can do a work in 210 days.if 15 additional men engaged every after 10 days, in how (answered by ankor@dixie-net.com)