Final answer:
The average cost of a formal wedding in the United States is $20,000 to $35,000.
Step-by-step explanation:
The average cost of a formal wedding in the United States varies depending on several factors such as location, number of guests, and desired level of extravagance. According to recent statistics, the average cost of a wedding in the US ranges from $20,000 to $35,000, with some weddings costing even more. It's important to note that these are just averages and individual weddings can cost significantly more or less based on personal preferences and circumstances.