Answer:
x = 4.363636...
Step-by-step explanation:
Set up a ratio
6 miles : 55 minutes
x miles : 40 minutes
Cross Multiply
55x = 40*6
55x = 240 
55x / 55 = 240 / 55
x = 4.363636...
 
        
             
        
        
        
Answer:
61300000000000000
Step-by-step explanation:
 
        
             
        
        
        
Answer: A) 0
P(A and B) = 0 when events A and B are disjoint, aka mutually exclusive. 
We say that two events are mutually exclusive if they cannot happen at the same time. An example would be flipping a coin to have it land on heads and tails at the same time. 
 
        
             
        
        
        
You have to find 80% of 20.
Since 80% is equal to 0.8, you multiply 20 by 0.8 to get 16