Indefinitely many 
The lines are on each other so every solution is correct
        
                    
             
        
        
        
I think the answer is D because to find probability u have to count all outcomes
        
             
        
        
        
9514 1404 393
Answer:
   17/99
Step-by-step explanation:
Replace the digits 23 in your example with the digits 17 and you have your answer:
   
_____
In general, a 2-digit repeat will have 99 as its denominator. If the digits are a multiple of 3 or 11, then the fraction can be reduced. 17 is prime, so the fraction cannot be reduced.