Embankment 56451

Twenty men will build a dam in 36 days if they work 10 hours daily. How many hours a day do 30 men have to work if the embankment is to be completed in 16 days?

Correct answer:

d =  15

Step-by-step explanation:

h=20 36 10=7200  d=30 16h=30 167200=15

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