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Anonymous Posted 12 years ago
Grammar

Under

Is under correct?

I had it replaced 3 times under 21 days.
  

Top answer

Anonymous I had it replaced 3 times in under 21 days. As shown. CJ

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2 Answers
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AnonymousI had it replaced 3 times in under 21 days.
As shown.

CJ
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Along CJ's comment, you can say also: in less than 3 weeks.
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