is this sentence correct?

English grammar questions, answered by Alan

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Ponytoo
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is this sentence correct?

Post by Ponytoo »

By increasing the validity interval until 180 days, the utility continues to improve
or
by extending the validity interval to 180 days, .....
and by or with
which sentence more acceptable?
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Alan
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Re: is this sentence correct?

Post by Alan »

Whether you use 'extend' or 'increase', 'to (180 days)' is the appropriate preposition.
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