The value of the given expression is 
Solution:
Given expression is  .
.
Let us first convert mixed fraction into improper fraction.

Substitute this in the given expression.
 
                   
To simplify the above expression, 21 and 60 are cancelled by 3.
                  
Do cross multiplication to make the denominator same.
                  
                  
                  
The value of the given expression is 
 
        
             
        
        
        
There 60 pints in 15 gallon
        
                    
             
        
        
        
Answer:
A.
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
a) The discounted prince is 70% of the full price.
b) 32.5 €
Step-by-step explanation:
a) If the full price is 100%, then you subtract 30% which is the discount and you get 70 %.
b) 22.75 is 70% of 32.5
 
        
             
        
        
        
I got radius= 54
arc/2pi r = degrees/360
then fill in what you know: 24pi/2pi r = 80/360
Now cross multiply and you get: 8640pi = 160pi r
Now divide both sides by 160pi and you get: 54= r