Xavier can work no more than 40 hours in a week. He has already worked 24 hours this week. What is the maximum number of 8-hour days Xavier can work for the rest of the week?

Xavier can work at most 40 hours total and has already worked 24, so he has 40 − 24 = 16 hours left. At 8 hours per day, 16 ÷ 8 = 2 days. The maximum is 2 days, choice A.

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