# SOLUTION: an electrician can install the electric wires in a house in 14 hours.a second electrician requires 18 hours. how long would it take both electricians, working together, to install

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 Question 100422: an electrician can install the electric wires in a house in 14 hours.a second electrician requires 18 hours. how long would it take both electricians, working together, to install the wires?Answer by edjones(7569)   (Show Source): You can put this solution on YOUR website!1st does 1/14 of the job in an hour 2nd does 1/18 of the job in an hour 1/14+1/18 least common multiple=126: 9/126+7/126=16/126 part of the job done in 1 hr by both of them. if we flip the 16/126 over we get how long the job will take: 126/16= 7 7/8 hrs. Ed