Plug in 3 for x
f(3) = 2(3) + 1
f(3) = 6 + 1
Solution is 7
        
                    
             
        
        
        
Multiply 32X 9 = 288kg
they asked you to convert the kilograms to grams so divide the 288kg by a 1000= 0.288grams 
        
             
        
        
        
27 is the answer, I can explain how I got that if you need.
        
             
        
        
        
To show the portion, p, that each guest receives you will write the following equation. 
p = 1/8
This equation shows One whole sandwich being broken into eight groups of the same portion. The answer is 1/8 of a sandwich.