1.   How many hours did we ride our bicycles?
   
    A. 9 hours B. 2 hours
    C. 3 hours D. 6 hours
    Hint

  2.   How many hours did we play volleyball?
   
    A. 2 hours B. 1 hour
    C. 3 hours D. 4 hours
    Hint

  3.   How many hours did we visit the aquarium?
   
    A. 14 hours B. 2 hours
    C. 3 hours D. 4 hours
    Hint

  4.   How many hours did we plant flowers?
   
    A. 17 hours B. 10 hours
    C. 4 hours D. 3 hours
    Hint

  5.   If the swimming pool opens at 11:00 and closes at 7:00, how many hours can you swim?
    A. 4 hours B. 9 hours
    C. 18 hours D. 8 hours
    Hint