30 minutes 
 Because it would take her an hour to go 8 miles and she is only going 4 so it is half an hour
        
             
        
        
        
Answer:
The second one is correct.
Step-by-step explanation: if you add together all the numbers you get 563 so now if you divide 166 by 563 you get 0.2948
 
        
             
        
        
        
I think the answer is 80 sorry I couldn’t be much of a help
        
                    
             
        
        
        
1.84 is 92% of 2. 
Not sure if this is what you were going for, but I'm pretty sure you are. Let me know if not!