9+3=12
30+20=50
300+100=400
Then add.
12+50+400=462
<span>So 339+123=462</span>
        
             
        
        
        
Answer:
5,7,3,2
Step-by-step explanation:
It's pretty simple: a prime number is a number that can *only* be divided by the number 1 and it's own.
I just checked all the numbers from 1 to 10 in order to solve this problem.
If you have any questions about the way I solved it, don't hesitate to ask!
 
        
             
        
        
        
Answer:
3002
Step-by-step explanation:
Very simple, just add them up.
 
        
                    
             
        
        
        
If one equals 3 then 3 times 6 = 18 pounds