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这一提我题目看不大懂

A'S take home pay last year was the same fraction each month, and she saved the same fraction of her takehome pay each month. The total amount of money that she saved at the end of the year was 3 times the amount of that portion of her monthly takehome pay that she did not save. if all the money that she saved last year was from her take home pay, what fraction of the take home pay did she save each month?
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agree!!!!!!!!!!!!!

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