1
Assume X is the number of each bricklayer's workload per day. To build the same wall, the workload of 3 bricklayers in 10 days should equal to 2 bricklayers' in Y days. Thus, 3*10*X=2*Y*X, rearrange it and get Y=15. It takes 2 bricklayers 15 days to build the same wall.
2 minutes!
The answer will depend on the size of the bricks.
It depends on the size of the bricks and their orientation.
9 if the studs are on 16" center and 7 if on 24"
Assume X is the number of each bricklayer's workload per day. To build the same wall, the workload of 3 bricklayers in 10 days should equal to 2 bricklayers' in Y days. Thus, 3*10*X=2*Y*X, rearrange it and get Y=15. It takes 2 bricklayers 15 days to build the same wall.
10 Hours
about 150 working hours
100 hours
Only 2 hours.
100 hours
36 hours
6 hours
40 hours
A few hours to 24 hours
20 hours
2 minutes!