Answer:
discuss this question is about packhouse a small plant can travel 400 kilometre aur 2000 kilometre find the speed with a plan with no wind and a speed on the answer you will be given to you divide 5 400 the four hundred and 51 you divide the answer to get dawat 310 you will find the extra answer
 
        
             
        
        
        
I think the answer would be 343?
        
                    
             
        
        
        
Answer:
It should be 14400 square inches. Sorry if i'm wrong
 
        
             
        
        
        
The first equation has a solution of X=-5