Mathematics, 29.06.2021 02:40 tori362

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?

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It takes about 14 person-hours of labor to break up a driveway and clear away the rubble. It takes a...

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