The Student Room Group
Reply 1
This might help:

A Level Points

:wink:

From that, you can see that 280 can be BBC, along with many other combinations. It cant be ABB, as that is 320 points. Hope this helps.
Reply 2
Sure does and thank you, had been searching for the last 30 minutes and only just stumbled across wikipedia the moment you replied. Appreciate the help, is a relief in time for the exams I have in the next two days. =p