Bill started from his home and cycled 6 kilometers due west to meet his friend. From there, he rode another 8 kilometers due sou
th to a book store. After buying some books, he rode another 3 kilometers due east to a florist and then rode another 4 kilometers due north to take a lunch break at the park. He took exactly 3 hours to get from home to the park. What are Bill's average speed and average velocity?
