OK, for those of you with a head for these numbers......
I just bought a rifle for my son - Remington 7600 .243. Went to sight it in. At 25 yards, it was 3" low (dead center, just low). Using 100 grain Core Lokt rounds.
I re-zeroed in at 25 yards, so I know it will be about 3" high from 100-220 yards, then zero again at 250.
Assuming the rifle was on-target from whoever sighted it in previously, what would the zeros be - I can't reverse-engineer the numbers.