Mrs. Hersey wants to allow her three classes to plant flowers around the outside edge of the rectangular flower beds in front of the school
. Class A will plant around the bed that is 3 feet long and 4 feet wide. Class B will plant around the bed that is 5 feet long and 2
feet wide. Class C will plant around the bed that is 3 feet long and 5 feet wide. The flowers will be planted around the outside edge of
each flower bed at 1-foot intervals.
Find the total number of flowers Mrs. Hersey will need to purchase for all three flower beds.