SOLUTION: if 3 men can repair the house in 20 days,how many days can 5 men do the same job?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: if 3 men can repair the house in 20 days,how many days can 5 men do the same job?      Log On


   

Question 582315: if 3 men can repair the house in 20 days,how many days can 5 men do the same job?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
if 3 men can repair the house in 20 days, how many days can 5 men do the same job?
:
Find how many man-days to complete the job.
3*20 = 60 man-days
:
" how many days can 5 men do the same job?"
let d = no. of days required by 5 men to do it
5d = 60
d = 60/5
d = 12 days