A patient is receiving a tube feeding formula Probalance at the... A patient is receiving a tube feeding formula Probalance at the rate of 80cc/hr. The feeding is held (stopped) for 2 hrs before and 2 hrs after Dilantin administration twice a day. A. What is the total number of hours the Tube feeding is on? B. What is the total volume of Probalance the patient receives per day?