Members receive 15% off

Members receive 15% off on the training courses.

Is "off" an countable noun in the above sentence? Is it wrong to use "a" before "15% off"?

Thanks.

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Originally Posted by Winwin2011

Members receive 15% off on the training courses.

Is "off" an countable noun in the above sentence? Is it wrong to use "a" before "15% off"?

Thanks.

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It's an adverb.Yes, it would be wrong to put "a" in front.

They could receive a 15% discount, though.

Quote:

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Originally Posted by Tdol

They could receive a 15% discount, though.

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They could indeed..