Question

The number of persons N needed to do a job varies inversely as the number of days D to finish the job​

Answer 1

Answer:

Let T = Time

Let N = Number of carpenters

 

Inverse variation means that T = K/N for some constant K  

 

10 carpenters take 36 hours  ==>  36 = K/10  ==>  K = 360  

 

So 22 carpenters will take T = 360/22 = 180/11 = 16 4/11 hours

Answer 2

Answer:

Step-by-step explanation:

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