a contractor estimates that 3 persons could rewire Jasminders house in 4 days. If he uses 4 persons instead of three how long should they take to complete the job? {please tell in step }
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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
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