What is an electrician's daily job?

What The time required to complete a job varies inversely as the number of people working. It took 4 hours for 7 electricians to wire a building. How long would it have taken 3 electricians to have done the job

  • Answer:

    If it took 4 electricians 7 hours to wire a building, it would take 3 electricians 9 hours and 20 minutes to do the same job.

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If it took 4 electricians 7 hours to wire a building, it would take 3 electricians 9 hours and 20 minutes to do the same job.

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