Alocal restaurant is offering a special deal in which customers can receive one appetizer, one entree, and one dessert for a fixed price. there are 7 appetizers, 5 entrees, and 3 desserts to choose from for this special. how many different meal choices does a customer have?

There are105 different choices.
For 1 appetizer, there are 15 different combinations of entrees and desserts. 1 dessert has 5 entrees you can mix, and since there are 3 desserts, there are 15 choices. It goes the same for every appetizer until there is 7x15. 7Ax15choices equals 105 options.
The customer has 105 meal choices.