Answer:
The correct option is E) 30,000.
Step-by-step explanation:
Consider the provided information.
Let D is the distance between point A and point B.
Let she drive x percent of distance at 60 miles per hour.
That means time taken is:
Let she drive remaining distance at 50 miles per hour.
That means time taken is:
Average speed =
Hence, the correct option is E) 30,000.