求一道英语数学题How many minutes is it before 12 noon if 132 minutes

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求一道英语数学题
How many minutes is it before 12 noon if 132 minutes later it will be 3 times as many minutes before 3 pm?再翻译一下,

这题意思是：如果132分钟后,那个时间比3点提前的分钟数是现在比12点提前的分钟数的3倍,那么现在比12点提前多少分钟?
设现在比12点提前x分钟,那么132分钟后,比3点提前（x+180-132）=x+48分钟
则有3x=（x+48） x=24
所以现在比3点提前24分钟
So it is 24 minutes before 12 noon.

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