20.0% complete this is a single choice question; skip ahead to question content a b c d e confirm it takes about 14 person-hours of labor to break up a driveway and clear away the rubble. it takes about 8 person-hours of labor to pour and smooth concrete for the new driveway. about how many person-hours of labor does it take to break up a driveway, clear away the rubble, pour the concrete, and smooth the concrete?