
 Actually Welcome to the Concept of the Volumes. 
==> Volume is Basically defined as the amount of a substance any shape or an object can hold.
==> Volume just can be tendency of any object to hold maximum amount of Substance inside it.
 
        
                    
             
        
        
        
Solve for the first variable in one the equations then substitute the result into the other equation so the answer is (2,5)
        
             
        
        
        
50
there’s no way x is 360 or 140