To find out how many hours a tiger sleeps in seven weeks, we first need to calculate the total number of hours in seven weeks.
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Calculate the total hours in seven weeks: \[ 7 \text{ weeks} \times 7 \text{ days/week} \times 24 \text{ hours/day} = 1176 \text{ hours} \]
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Determine the range of sleep: A tiger sleeps between 18 and 20 hours per day.
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Minimum sleep (18 hours/day): \[ 7 \text{ days/week} \times 18 \text{ hours/day} = 126 \text{ hours/week} \] \[ 7 \text{ weeks} \times 126 \text{ hours/week} = 882 \text{ hours} \]
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Maximum sleep (20 hours/day): \[ 7 \text{ days/week} \times 20 \text{ hours/day} = 140 \text{ hours/week} \] \[ 7 \text{ weeks} \times 140 \text{ hours/week} = 980 \text{ hours} \]
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Conclusion: Over seven weeks, a tiger will sleep between 882 and 980 hours.