X= 9 1/4 or 9.25 in decimal form
        
                    
             
        
        
        
Answer:
10 days
Step-by-step explanation:
It will take 10 men 5 days to dig a hole half as big.
It will take 5 men 10 days to dig a hole half as big.
( Remember, the less people, the more time it will take. )
 
        
                    
             
        
        
        
Answer: 3.125
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
840.32
Step-by-step explanation:
 
        
             
        
        
        
Answer:
a. 400
b. 4$
Step-by-step explanation:
2$ equals 0 Quantity
3$ equals 100 Quantity
4$ equals 200 Quantity
We can see that starting from 2$, a dollar will increase the Quantity by 100