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How many minutes before midnight is it if one hour ago it was five times as many
How many minutes before midnight is it if one hour ago it was five times as many
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2023-10-21
61
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问题
How many minutes before midnight is it if one hour ago it was five times as many minutes past 9 pm?
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答案
20 minutes
解析
(晚9点与午夜12点之间相差3小时,3小时减去l小时为2小时,把2小时平分为6份,可得20分钟。)
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