Answer:    Im pretty sure it is D
Step-by-step explanation:  I don't really know how to explain it.
I hope it helps tho ;)
Tell me if im wrong.
 
        
                    
             
        
        
        
With a SSS you’ll only see the little tick marks but on a SAS you’ll see a tick, angle indication, then another tick
        
             
        
        
        
Answer: They walked 11/12 miles
Step-by-step explanation:
1/4 + 4/6
3/12 + 8/12
11/12
 
        
             
        
        
        
Distribute
4x+4(less than) -6 
Subtract 4 on both side
4x(less than) -10
divide 4 both sides
x(less than)-2.5
(Final answer is bold) Good luck