Sagot :
Answer
60days.
Explanation
a person working in a day in one day is called man-day.
so,
36men X 25days= 900man-days
900man-days/15men=60days
Answer
60days.
Explanation
a person working in a day in one day is called man-day.
so,
36men X 25days= 900man-days
900man-days/15men=60days