You can work out the percentage change and that would help you work out the rate of appreciation :)
The formula is ((new value - old value)/old value) * 100.
So you do 
Therefore the rate of appreciation is 8% p/a.
 
        
             
        
        
        
Step-by-step explanation:

So sqrt(40) lies between 6 and 7.
 
        
             
        
        
        
Answer: 
Step-by-step explanation:
 
        
                    
             
        
        
        
The answer is 14 
Brainliest plz?
        
                    
             
        
        
        
Answer:
0.17 cents per ounce, which is the 20 ounce
Step-by-step explanation:
3.40 / 20 = 0.17 cents per ounce
2.10/14 = 0.15 cents per ounce