247- 538 = -291
If you line them up in that order 247 you'll have to borrow. Your answer would be -291
                                                  -538
The only way to not get -291 is to flip the two numbers.
        
                    
             
        
        
        
Answer:

Step-by-step explanation:


 
        
             
        
        
        
20/10= 2
All you need to do is divide the number of hours it takes by the number of flower arrangments. So, it takes the florist 2 hours to assemble one flower arrangement.
I hope this helps!
~kaikers