Answer:
A
Step-by-step explanation:
 
        
                    
             
        
        
        
6 mph.
To find this, create a ratio.
2/20 = x/60
This will allow you to compare here time of twenty minutes to an hour in the same context.
Multiply 2 by 60 and divide by 20 to get the answer of 6 mph.
Thus, Sabrina's average speed in miles per hour is six miles per hour.
Hope this helps!
 
        
             
        
        
        
Answer:
-1/5
Step-by-step explanation: 
(10 ,9)  .....(40 , 3)
(9-3)/(10-40)=6/-30=-1/5
 
        
                    
             
        
        
        
Answer:
4
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
About 7 hours per person
Step-by-step explanation:
412 divided by 60 because there are 60 minutes in an hour.
6.8667 which is about 7 hours.