26 units
i can explain if you'd like but I'm too lazy to type otherwise
        
             
        
        
        
C. 1/10 times .9 equals 9 which is in the ones place
        
             
        
        
        
Answer:
9/2 
Step-by-step explanation:
9/2 is an improper fraction, as the numerator is greater than the denominator
 
        
                    
             
        
        
        
The answer is 12.  Thanks (;