Answer :
Final answer:
The Khan family needs to be away for an additional 120 hours to make 2 weeks.
Explanation:
To determine how many more hours the Khan family must be away to make 2 weeks, we need to know the number of hours in a week. There are 7 days in a week, and 24 hours in a day. So, there are 7 x 24 = 168 hours in a week.
The Khan family is already away for 216 hours. To make 2 weeks, they need to be away for 2 weeks x 168 hours/week = 336 hours. Therefore, they need to be away for an additional 336 - 216 = 120 hours.
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