Question

A plumbing contractor bid the​ rough-in work for a new​ three-story office building based an estimate of 850 hours of a​ journey-level plumber's time on the job. After the job was in​ progress, the contractor determined that the first floor required 342 hours and the second floor required 329 hours. How many labor hours are left in the estimate to complete the third​ floor?

Answer 1

There is 179 hours left.

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