Remove grammatical mistakes: Accoding to car crash states in America in 2005, there were nearly 6,420,000 auto accidents and about 40,000 people are killed.
The average number of car accidents in the United States is about 6,420,000.
Correct: The average number of car accidents in the United States is about 6,420,000.
Correct: The average number of car accidents in the United States is about 6,420,000.
Correct: The average number of car accidents in the United States is about 6,420,000
The number of car accidents in the United States has been increasing since the 1990s, and the number of people killed in car accidents has increased by 15% since 2000.
Correct: The number of car accidents in the United States has been increasing since the 1990s, and the number of people killed in car accidents has increased by 15% since 2000.
Correct: The number of car accidents in