The correct answer is:
C.) -101 
        
                    
             
        
        
        
If she rides her bike 18 km per hour 
then it will take 4 hours to travel 72 km (72÷18)
the answer is 4
        
             
        
        
        
Answer: B and F
Step-by-step explanation:
Since, In the first case original amount = 45
So, the increasing percentage when the original amount increases to 75,
=   %
 %
In second case original amount = 75
So the decreasing percentage when the original amount decreases to 45,
=     %
 %
Thus, We found that the ratio of the percent increase is not the same as the percent decrease ( because,    
 
Also, The original amount of the present increase is different from the original amount for the persons decrease. ( Because,  
 
Therefore, Option B and F is correct only.
 
        
                    
             
        
        
        
Answer:
exact form:34/3
decimal form:11.3333333333
mixed number form: 11  1/3
Step-by-step explanation: