Audrey was asleep for 10 hours last night and dreamed for 2/5 of the time. How much of the night was she not dreaming? Give me reasons, before answering the question
user
If Audrey was asleep for 10 hours last night and dreamed for 2 / 5 of the time, she dreamed for 2 / 5 * 10 = 4 hours. The total time Audrey slept without dreaming is 10 - 4 = 6 hours. So the final answer is 6.
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