if tommy goes to the store one day and get a cheeseburger for $5.00 and come back and gets a burger for $8.00 and fries with and a shake milk shake and is left with on the .03 and started off with $40.00.How is that possible if all he got was the items listed?

its so simple he must of gotten alot of fries because it doesnt list the amount it just says fries!