So first u would need tto know how many hours are in a day so there are 24 hours in a day so u would do 45x72 cause there are 72 hours in 3 days.
        
             
        
        
        
Answer:
132x-110xy
Step-by-step explanation:
 
        
             
        
        
        
If you want to know the total, it would be 15 cups and 6 oz. One cup is 8 oz, so 6 oz would have to stand next to 15 cups. 
If  you want to know the total amount of ounces, it would be 126 ounces. 
This information is only accurate if you are using USA  measurements. 
Hope this helps! Have a happy holiday!