A.

B.

Megan's solution isn't correct.
The first mistake: she subtracted 5x from the right-hand side of the equation, but added 5x to the left-hand side.
The second mistake: she divided the right-hand side of the equation by 11, but didn't divide the left-hand side.
The correct solution:
 
 
        
        
        
6 because 45 divides by 3 equals 15 and fifteen minus 9 equals 6, if you plug 6 into the equation it makes sense
        
                    
             
        
        
        
Hey make 200 per hour, and would need 63 hours to make 12600 shirts. 63/9=7 
They’d need to work for 7 days 
Hope this helps
        
                    
             
        
        
        
Answer:
-79.8
Step-by-step explanation:
The change can be found by subracting the ending distance from the beginning distance.
In this case, its 200.6-120.8= 79.8
It is negative because the distance in the end became lower than the beginning distance. 
Hope this helps!