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25 July, 03:23

T 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? 6

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  1. 25 July, 03:49
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    For this case what you must do is add the number of hours to perform the different activities.

    We have then:

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

    8 person-hours of labor to pour and smooth concrete for the new driveway.

    Adding both activities we have

    14 + 8 = 22

    answer

    it takes to break up to driveway, clear away the rubble, pour the concrete, and smooth the concrete about 22 person-hours of labor
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