an MBA

[sanukeeeeeeeeeee]

I have a friend who was an MBA teacher.
I have a friend who was an MBA teacher.


Is it a correct article?

[Casiopea]

I have a friend who was an MBA teacher.
I have a friend who was an MBA teacher.


Is it a correct article?

Yes, it's correct. The rule has to do with pronunciation: if the first letter of the word is a vowel sound, then add 'an'. For example, the letter "M" is pronounced [em] (e as in egg), so 'an' is used:

Written Letters: MBA
Pronunciation: [em]BA => an [em]BA

[sanukeeeeeeeeeee]

Thanks. :)