Answer:-7/1
Step-by-step explanation:
 
        
                    
             
        
        
        
If n=250, then 50% of n can also be described as n divided by 2.
50% of n = 250/2 = 125
answer: 125
 
        
                    
             
        
        
        
60.
The question gives you the fact that 6 bricks is 2 feet high. 
What do you do to get from 2 to 20?
You multiply by 10.
Since you multiplied one thing by 10, you must do it to the other side so it remains balanced.
2 ft x 10ft = 20ft
6 bricks x 10 bricks = 60 bricks
        
             
        
        
        
The answer will be multiple times wich the number needs to change
 
        
             
        
        
        
Answer:
8.48528137424^2
Step-by-step explanation:
8.48528137424x8.48528137424
= 72