Double Quotes are interpeted this means that if you were to enter a variable into the stataemnt it will print out its intended vaule, as shown below for the price of the video game.
Hogwarts Legacy Deluxe version cost $79.99 (double).Single Quotes are taken literally and everthing in them are passed through as is. For instance, the price of the videogame did not display instead the actual variable shows.
While the stanard version of Hogwarts Legacy cost $videogameprice1 minus ten dollars. (single)