Question

a contractor estimates that three persons could review this means a house in 4 days if he used for person instead of three how long should they take to complete the job​

Answer 1

Answer:

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Answer 2

According to the estimation in rewiring Jasminder's house

Number of persons required =3

Number of days required =4

So, to rewire a house by 1 person it will take 4×3=12 days

And to do job by 4 persons, days required =

4

12

=3 days