Answer:
Step-by-step explanation:
120/6.4=20 
It will take her 20 days
 
        
                    
             
        
        
        
Area of the bigger rectangle =(18×8)cm
2
=144cm
2
Area of the smaller rectangle =((30−18)×(8−6))=(12×6)cm
2
=72cm
2
∴ Total area = area of smaller rectangle + area of bigger rectangle =(72+144)cm
2
=216cm
2
 
        
                    
             
        
        
        
I believe the possible volumes are <span>5 ft long, 4 ft wide and 2 ft deep
5 ft long, 3 ft wide and 2 ft deep
5 ft long 2 ft wide and 2 ft deep 
5 ft long, 1 ft wide and 2 ft deep</span>
        
                    
             
        
        
        
Need more information. Can’t answer d=2 the answer would have to be “d”