so it should take 3/3 hours per man. so 9 hours is the answer 3*3 =9
step-by-step explanation:
Another question on Mathematics
Mathematics, 21.06.2019 19:30
Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.