SOLUTION: The time required to complete a job varies inversely as the number of people working. It too 4 hours for 7 electricians to wire a buikding. How long would it have taken 3 electrici
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Question 39107: The time required to complete a job varies inversely as the number of people working. It too 4 hours for 7 electricians to wire a buikding. How long would it have taken 3 electricians to have done the job?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
We can set this up simply as
4 hrs * 7 electricians = x hours * 3 electricians
or
4*7 = 3x
and
x = 28/3 hours
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