Step-by-step explanation:
(30 men, 56 days, 6 hours daily)
=> (30 men, 48 days, 7 hours daily)
=> (45 men, 32 days, 7 hours daily)
Hence it will take 32 days.
It's -4/3
hope it helps...
Answer:
20/12 = 1 2/3
30 ÷ 1 2/3
= $18