Desi Relief at the Movies

[njgal]

@Cheegum

Four persons go to the movies.
Person one and person two buy tickets and go in.
Person three and person four stay outside.
Person one brings out both cut tickets
Person one and person three go in.
Person two brings out both cut tickets.
Person two and person four go in.
Money spent on two tickets $18.
Money saved on two tickets $18.
Money spent on popcorn and soda for two persons $18.
Four persons share popcorn and soda.

how long before the movie starts do you need to get there to do this exercise?