Question

5 skilled workers can build a wall in 20 days: 8 semi-skilled workers can build a wall in 25 days; 10 unskilled workers can build a wall in 30 days. If a team has 1 skilled, 6 semi-skilled and 3 unskilled workers, how long will it take to build the wall?

Answer 1

Answer:

One skilled equal to 5/20= 1/4= -4

One semi skilled equal to 8 / 25 =0.32

One unskilled equal to