Using 'a' or 'an' different in speaking and writing

Asked Sep 15 '20 at 04:59

Active Sep 15 '20 at 04:59

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There is an acronym- RPD. In a ppt, made by my teacher for the students, there is a sentence-

When the posterior abutment opposes the edentulous space or a RPD.

However as I speak this sentence I automatically use an RPD due to the sound of 'aar' for R.

So is it correct that a same sentence is written and spoken but one with 'a' and other with 'an'? Or something is wrong, me or the ppt?

asked Sep 15 '20 at 04:59

Ojasvi

2

See https://english.stackexchange.com/questions/1016/do-you-use-a-or-an-before-acronyms-initialisms – Kate Bunting Sep 15 '20 at 10:14
@KateBunting thank you. This answers my question – Ojasvi Sep 15 '20 at 11:53

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