Workkeys Math Practice Test

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How many person-hours are needed to clear a driveway and pour concrete, if breaking up the driveway takes 14 hours and pouring concrete takes 8 hours?

20 person-hours

22 person-hours

To determine the total person-hours needed to clear a driveway and pour concrete, you simply add together the time required for each task. In this scenario, breaking up the driveway requires 14 hours, and pouring concrete takes an additional 8 hours.

Calculating the total, you would perform the following addition:

14 hours (breaking up the driveway) + 8 hours (pouring concrete) = 22 hours total.

Therefore, the total person-hours needed for both activities is 22 person-hours. This aligns with the correct answer.

24 person-hours

26 person-hours

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