-6.4 – 4(-2.8)
-6.4 – - 11.2 = 4.8
Your answer is B: 4.8
        
                    
             
        
        
        
Answer:
So estimate.
Really depends on what needs to be estimated, the answer or the overall equation. 
So doing the real one first. 
283/11 = 25 8/11
You can’t have “part” of a student so rounding this you can go up since 8 is more then half of 11
So 26 students 
If you were to round the overall equation then you’d get
280 / 10 which is 28 students per class 
So two options.
 
        
             
        
        
        
Answer:
1.50
Step-by-step explanation: