Is "as good or better than" acceptable in GMAT?

[EduardoJ96]

Experts,

Do you think the sentence below would be acceptable in GMAT?

"The new Burger King breakfast sandwich is as good or better than the old one."

I saw this sentence from one of your competitor's materials, which says this idiom is "clearly incorrect" and that the appropriate form would be "as good as" (which I believe has a different meaning).

However, see what I found in the link below - the GMAC used this idiom in their very own website! (last sentence of the penultimate paragraph)

http://www.gmac.com/why-gmac/gmac-news/gmnews/2012/july-2012/initial-integrated-reasoning-percentiles-released.aspx

What do you think??

Best regards!

[RonPurewal]

it's wrong. you need "as good as or better than".

it's possible to write "better or worse than", since, in that case, "than" can combine idiomatically with both "better" and "worse".
but, the idioms in the above are different, so, nope.

[RonPurewal]

regarding the GMAC page-- DO NOT go around applying SC rules to random non-SC material, even if that material appears on a GMAC web page.

the SC problems are very carefully edited, in several rounds of editing, by people trained extensively in the items that are tested (and, just as importantly, those that aren't tested) on this exam.
that editing is so thorough that GMAC spends more than $1000 USD per question on it.

given that, it should be clear why you can't expect to hold everything else they write to the same standard.

[RonPurewal]

see also this thread, in which exactly this sort of thing is a factor:
in-the-past-several-years-astronomers-t4433.html

i'm guessing this thread is also the basis for the "competitor's" judgment you cited above--a judgment that, incidentally, is completely correct.