Set up a proportion!
40 minutes / 5 holes = m minutes / 20 holes
Cross multiply.
800 = 5m
m = 160.
It will take him 160 minutes to dig 20 post holes.
Good luck Fabian!
Hope this helps
5.75 if you don’t count the lunch break because I don’t think a lunch break can be twelve hours because it would’nt even be a shift
Answer:
above is the solution to the question