Bags are rejected for |x-900| > 1.7
... -1.7 > x - 900 > 1.7 . . . . . . . . . a slightly improper way to write the unfolded inequality. To be absolutely correct, this would be written as two inequalities. Ignoring that detail, this is useful to see that the solution is found by adding 900.
... (898.3 > x) ∪ (x > 901.7) . . . . . . will cause rejection
