Answer:
11. 40.5
12. 84
Step-by-step explanation:
 
        
             
        
        
        
I am doing this test I will do it and I will give you the correct answer when I am done I think it's the last one but I am not sure soo wit an tell I finish the test 
        
             
        
        
        
The process used is division. If you go to math is fun.com they have a really good step by step example on how to do this. Please give this brainliest answer if I helped.
        
             
        
        
        
Answer:
 3).

 4).
 
 
If it was by 10, k = 3 by 10
k = 30
5).
