590.4
I believe let me know if it wrong
This is the fundamental zero additive rule
x - 0 = x
which means that for the set of real numbers, there exist a number such that if added (or subtracted) from any other will not affect such number.
well it would be 18/9 and that would simplify to 2 because if u divide both by 9 u get 2/1 which is 2
54 dollars/1 ticket.
sorry couldnt find fraction bar used / instead .
