SOLUTION: 25 men dig a canal in 21 days. In how many days will 15 men dig it?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: 25 men dig a canal in 21 days. In how many days will 15 men dig it?       Log On


   

Question 963810: 25 men dig a canal in 21 days. In how many days will 15 men dig it?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
.
25 men x 21 days=525 man-days
525 man-days/15 men=35 days
ANSWER: It will take 15 men 35 days to dig the canal.