Final answer:
The number of pumps of syrup in basic ICED espresso drinks can vary depending on the size of the drink and the desired flavor intensity. Typically, a Grande size ICED espresso drink at Starbucks uses 4 pumps.
Step-by-step explanation:
In basic ICED espresso drinks, the number of pumps of syrup used can vary depending on the size of the drink and the desired flavor intensity. Typically, a Grande (16 oz.) sized ICED espresso drink at Starbucks uses 4 pumps. However, this can be adjusted according to personal preference. It's important to note that different coffee shops and establishments may have different standards for the amount of syrup used, so it's always best to inquire with the specific place where the drink is being made.