Answer:
The speed at which Anna travel with her bike is 3 miles per hour .
Explanation:
Given as :
The distance cover by Anna = 6 miles
The time taken by the Anna to cover the distance = 2 hours
Let The speed in miles per hour = s miles per hour
Now, As we know
Speed =

So, s =

or, s = 3 miles per hours
So, Speed = 3 mph
Hence The speed at which Anna travel with her bike is 3 miles per hour . Answer