A dog walks at a speed of 3mi/hr for 2 hours. How far (distance) did the dog walk? *

6 miles

Step-by-step explanation:

After one hour the dog will have walked three miles after two hours the dog will have walked three more miles for a total of 6 miles.

-- Start a list.
-- At the beginning of the list, write zero. 
-- Next on the list, write ' 1 '.
-- Now you have the beginning of the Fibonacci series.
-- Whenever you want to add a new term to the list, sum up
     the last two terms on the list.  Their sum is the new term.