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During the summer, Samson averaged 9.4 hours of sleep per night. Now that school has started, he averages 8.2 hours. What is the percent decrease in his sleep per night?
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During the summer, Samson averaged 9.4 hours of sleep per night. Now that school has started, he averages 8.2 hours. What is the percent decrease in his sleep per night?

User George Kargakis
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the percentage has decreased by 1.2 hours a night.
User Reid Mac
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