Her profit was 126$ because she spent 24$ on her materials and then charged 5$ per 2 so you get 150$ then subtract the 24
(I think)
        
             
        
        
        
I thought it would be 10 percent but my cal. says 1.44 
        
                    
             
        
        
        
Answer:
No
Step-by-step explanation:
No since they dont share x
 
        
             
        
        
        
Part 1:
A and B are already in lowest terms 
C 3/8
D 7/9
Part 2:
A 5 * 11
B 3 * 3 * 3
C 2 * 2 * 3 * 5
:)))