Once...
you can make the number nine twenty times
how many NFL season ticket holders
You can only use the code word "ticket" one time.
What biggest number you can make with 234068
This has happened once, in 2008.
No times.
That depends on many variables.Distance of the journey. Time of the journey, peak times are more expensive. When you bought the ticket, they are usually cheaper if bought in advance. Class of ticket, do you qualify for a student or old person discount and many other variables.
10 000 if you can start with zero.
280 times
25 times
3.48314606741573 times
150 can go into its multiples an infinite number of times.